urllib.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<!DOCTYPE html>\n",
      "<!--STATUS OK-->\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
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      "\n",
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      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\t\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
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      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\t\n",
      "        \n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\t\t    \n",
      "\n",
      "\t\n",
      "        \n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\n",
      "\t\t\t        \n",
      "\t\t\t    \n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "<html>\n",
      "<head>\n",
      "    \n",
      "    <meta http-equiv=\"content-type\" content=\"text/html;charset=utf-8\">\n",
      "    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=Edge\">\n",
      "\t<meta content=\"always\" name=\"referrer\">\n",
      "    <meta name=\"theme-color\" content=\"#2932e1\">\n",
      "    <link rel=\"shortcut icon\" href=\"/favicon.ico\" type=\"image/x-icon\" />\n",
      "    <link rel=\"search\" type=\"application/opensearchdescription+xml\" href=\"/content-search.xml\" title=\"百度搜索\" />\n",
      "    <link rel=\"icon\" sizes=\"any\" mask href=\"//www.baidu.com/img/baidu_85beaf5496f291521eb75ba38eacbd87.svg\">\n",
      "\t\n",
      "\t\n",
      "\t<link rel=\"dns-prefetch\" href=\"//s1.bdstatic.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t1.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t2.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t3.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t10.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t11.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//t12.baidu.com\"/>\n",
      "\t<link rel=\"dns-prefetch\" href=\"//b1.bdstatic.com\"/>\n",
      "    \n",
      "    <title>百度一下，你就知道</title>\n",
      "    \n",
      "\n",
      "<style id=\"css_index\" index=\"index\" type=\"text/css\">html,body{height:100%}\n",
      "html{overflow-y:auto}\n",
      "body{font:12px arial;text-align:;background:#fff}\n",
      "body,p,form,ul,li{margin:0;padding:0;list-style:none}\n",
      "body,form,#fm{position:relative}\n",
      "td{text-align:left}\n",
      "img{border:0}\n",
      "a{color:#00c}\n",
      "a:active{color:#f60}\n",
      "input{border:0;padding:0}\n",
      "#wrapper{position:relative;_position:;min-height:100%}\n",
      "#head{padding-bottom:100px;text-align:center;*z-index:1}\n",
      "#ftCon{height:50px;position:absolute;bottom:47px;text-align:left;width:100%;margin:0 auto;z-index:0;overflow:hidden}\n",
      ".ftCon-Wrapper{overflow:hidden;margin:0 auto;text-align:center;*width:640px}\n",
      ".qrcodeCon{text-align:center;position:absolute;bottom:140px;height:60px;width:100%}\n",
      "#qrcode{display:inline-block;*float:left;*margin-top:4px}\n",
      "#qrcode .qrcode-item{float:left}\n",
      "#qrcode .qrcode-item-2{margin-left:33px}\n",
      "#qrcode .qrcode-img{width:60px;height:60px}\n",
      "#qrcode .qrcode-item-1 .qrcode-img{background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/qrcode/zbios_efde696.png) 0 0 no-repeat}\n",
      "#qrcode .qrcode-item-2 .qrcode-img{background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/qrcode/nuomi_365eabd.png) 0 0 no-repeat}\n",
      "@media only screen and (-webkit-min-device-pixel-ratio:2){#qrcode .qrcode-item-1 .qrcode-img{background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/qrcode/zbios_x2_9d645d9.png);background-size:60px 60px}\n",
      "#qrcode .qrcode-item-2 .qrcode-img{background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/qrcode/nuomi_x2_55dc5b7.png);background-size:60px 60px}}\n",
      "#qrcode .qrcode-text{color:#999;line-height:23px;margin:3px 0 0}\n",
      "#qrcode .qrcode-text a{color:#999;text-decoration:none}\n",
      "#qrcode .qrcode-text p{text-align:center}\n",
      "#qrcode .qrcode-text b{color:#666;font-weight:700}\n",
      "#qrcode .qrcode-text span{letter-spacing:1px}\n",
      "#ftConw{display:inline-block;text-align:left;margin-left:33px;line-height:22px;position:relative;top:-2px;*float:right;*margin-left:0;*position:static}\n",
      "#ftConw,#ftConw a{color:#999}\n",
      "#ftConw{text-align:center;margin-left:0}\n",
      ".bg{background-image:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_5859e57.png);background-repeat:no-repeat;_background-image:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_d5b04cc.gif)}\n",
      ".c-icon{display:inline-block;width:14px;height:14px;vertical-align:text-bottom;font-style:normal;overflow:hidden;background:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_5859e57.png) no-repeat 0 0;_background-image:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_d5b04cc.gif)}\n",
      ".c-icon-triangle-down-blue{background-position:-480px -168px}\n",
      ".c-icon-chevron-unfold2{background-position:-504px -168px}\n",
      "#m{width:720px;margin:0 auto}\n",
      "#nv a,#nv b,.btn,#lk{font-size:14px}\n",
      "#nv{height:19px;font-size:16px;margin:0 0 4px;text-align:left;text-indent:137px}\n",
      ".s_btn{width:95px;height:32px;padding-top:2px\\9;font-size:14px;background-color:#ddd;background-position:0 -48px;cursor:pointer}\n",
      ".s_btn_h{background-position:-240px -48px}\n",
      ".s_btn_wr{width:97px;height:34px;display:inline-block;background-position:-120px -48px;*position:relative;z-index:0;vertical-align:top}\n",
      "#jgwab{margin-left:19px}\n",
      "#cp .c-icon-icrlogo,.c-icon-jgwablogo{width:14px;height:17px;display:inline-block;overflow:hidden;background:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_5859e57.png) no-repeat;_background-image:url(http://s1.bdstatic.com/r/www/cache/static/global/img/icons_d5b04cc.gif)}\n",
      "#cp .c-icon-icrlogo{background-position:-600px -96px;position:relative;top:3px}\n",
      ".c-icon-jgwablogo{background-position:-623px -96px;position:relative;top:3px}\n",
      "#shouji{margin-right:14px}\n",
      "#u{display:none}\n",
      "#c-tips-container{display:none}\n",
      "#wrapper{min-width:810px;height:100%;min-height:600px}\n",
      "#head{position:relative;padding-bottom:0;height:100%;min-height:600px}\n",
      "#head .head_wrapper{height:100%}\n",
      "#m{position:relative}\n",
      "#fm{padding-left:40px;top:-37px}\n",
      "#lh a{margin-left:62px}\n",
      "#lh #seth,#lh #setf{margin-left:0}\n",
      "#lk{position:absolute;display:none;top:0;right:0;margin:33px 0}\n",
      "#lk span{font:14px \"宋体\"}\n",
      "#nv{position:absolute;display:none;top:0;right:0}\n",
      "#lm{color:#666;width:100%;height:60px;margin-top:60px;line-height:15px;font-size:13px;position:absolute;top:0;left:0}\n",
      "#lm a{color:#666}\n",
      "#pad-version{line-height:40px}\n",
      ".s_ipt_wr.bg,.s_btn_wr.bg,#su.bg{background-image:none}\n",
      ".s_btn_wr{width:auto;height:auto;border-bottom:1px solid transparent;*border-bottom:0}\n",
      ".s_btn{width:100px;height:36px;color:#fff;font-size:15px;letter-spacing:1px;background:#3385ff;border-bottom:1px solid #2d78f4;outline:medium;*border-bottom:0;-webkit-appearance:none;-webkit-border-radius:0}\n",
      ".s_btn.btnhover{background:#317ef3;border-bottom:1px solid #2868c8;*border-bottom:0;box-shadow:1px 1px 1px #ccc}\n",
      ".s_btn_h{background:#3075dc;box-shadow:inset 1px 1px 5px #2964bb;-webkit-box-shadow:inset 1px 1px 5px #2964bb;-moz-box-shadow:inset 1px 1px 5px #2964bb;-o-box-shadow:inset 1px 1px 5px #2964bb}\n",
      "#result_logo{display:none}\n",
      "#index_logo img{display:inline-block;width:270px;height:129px}\n",
      "#s_tab{display:none}\n",
      ".s_form{position:relative;top:38.2%}\n",
      ".s_form_wrapper{position:relative;top:-191px}\n",
      ".s_ipt_wr{height:34px}\n",
      "#head .c-icon-bear-round{display:none}\n",
      "#form{margin:22px auto 0;width:641px;text-align:left;z-index:100}\n",
      "#form .bdsug,#fm .bdsug{top:35px}\n",
      ".bdsug{display:none;position:absolute;width:538px;background:#fff;border:1px solid #ccc;_overflow:hidden;box-shadow:1px 1px 3px #ededed;-webkit-box-shadow:1px 1px 3px #ededed;-moz-box-shadow:1px 1px 3px #ededed;-o-box-shadow:1px 1px 3px #ededed}\n",
      ".bdsug.bdsugbg ul{background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/sugbg_1762fe7.png) 100% 100% no-repeat;background-size:100px 110px;background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/sugbg_90fc9cf.gif)\\9}\n",
      ".bdsug li{width:522px;color:#000;font:14px arial;line-height:25px;padding:0 8px;position:relative;cursor:default}\n",
      ".bdsug li.bdsug-s{background:#f0f0f0}\n",
      ".bdsug-store span,.bdsug-store b{color:#7A77C8}\n",
      ".bdsug-store-del{font-size:12px;color:#666;text-decoration:underline;position:absolute;right:8px;top:0;cursor:pointer;display:none}\n",
      ".bdsug-s .bdsug-store-del{display:inline-block}\n",
      ".bdsug-ala{display:inline-block;border-bottom:1px solid #e6e6e6}\n",
      ".bdsug-ala h3{line-height:14px;background:url(//www.baidu.com/img/sug_bd.png) no-repeat left center;margin:8px 0 5px;font-size:12px;font-weight:400;color:#7B7B7B;padding-left:20px}\n",
      ".bdsug-ala p{font-size:14px;font-weight:700;padding-left:20px}\n",
      ".bdsug .bdsug-direct{width:auto;padding:0;border-bottom:1px solid #f1f1f1}\n",
      ".bdsug .bdsug-direct p{color:#00c;font-weight:700;line-height:34px;padding:0 8px;cursor:pointer;white-space:nowrap;overflow:hidden}\n",
      ".bdsug .bdsug-direct p img{width:16px;height:16px;margin:7px 6px 9px 0;vertical-align:middle}\n",
      ".bdsug .bdsug-direct p span{margin-left:8px}\n",
      ".bdsug .bdsug-direct p i{font-size:12px;line-height:100%;font-style:normal;font-weight:400;color:#fff;background-color:#2b99ff;display:inline;text-align:center;padding:1px 5px;*padding:2px 5px 0;margin-left:8px;overflow:hidden}\n",
      ".bdsug .bdsug-pcDirect{color:#000;font-size:14px;line-height:30px;height:30px;background-color:#f8f8f8}\n",
      ".bdsug .bdsug-pc-direct-tip{position:absolute;right:15px;top:8px;width:55px;height:15px;display:block;background:url(http://s1.bdstatic.com/r/www/cache/static/global/img/pc_direct_42d6311.png) no-repeat 0 0}\n",
      ".bdsug li.bdsug-pcDirect-s{background-color:#f0f0f0}\n",
      ".bdsug .bdsug-pcDirect-is{color:#000;font-size:14px;line-height:22px;background-color:#f8f8f8}\n",
      ".bdsug .bdsug-pc-direct-tip-is{position:absolute;right:15px;top:3px;width:55px;height:15px;display:block;background:url(http://s1.bdstatic.com/r/www/cache/static/global/img/pc_direct_42d6311.png) no-repeat 0 0}\n",
      ".bdsug li.bdsug-pcDirect-is-s{background-color:#f0f0f0}\n",
      ".bdsug .bdsug-pcDirect-s .bdsug-pc-direct-tip,.bdsug .bdsug-pcDirect-is-s .bdsug-pc-direct-tip-is{background-position:0 -15px}\n",
      ".bdsug .bdsug-newicon{color:#929292;opacity:.7;font-size:12px;display:inline-block;line-height:22px;letter-spacing:2px}\n",
      ".bdsug .bdsug-s .bdsug-newicon{opacity:1}\n",
      ".bdsug .bdsug-newicon i{letter-spacing:0;font-style:normal}\n",
      ".bdsug .bdsug-feedback-wrap{text-align:right;background:#fafafa;color:#666;height:25px;line-height:25px;display:none}\n",
      ".bdsug .bdsug-feedback{margin-right:10px;text-decoration:underline;color:#666}\n",
      ".toggle-underline{text-decoration:none}\n",
      ".toggle-underline:hover{text-decoration:underline}\n",
      ".tools{position:absolute;right:-75px}\n",
      "#mHolder{width:62px;position:relative;z-index:296;display:none}\n",
      "#mCon{height:18px;line-height:18px;position:absolute;cursor:pointer}\n",
      "#mCon span{color:#00c;display:block;width:24px}\n",
      "#mCon .hw{text-decoration:underline;cursor:pointer;display:inline-block}\n",
      "#mCon .pinyin{display:inline-block}\n",
      "#mCon .c-icon-chevron-unfold2{margin-left:5px}\n",
      "#mMenu a{width:100%;height:100%;display:block;line-height:22px;text-indent:6px;text-decoration:none;filter:none\\9}\n",
      "#mMenu,#user ul{box-shadow:1px 1px 2px #ccc;-moz-box-shadow:1px 1px 2px #ccc;-webkit-box-shadow:1px 1px 2px #ccc;filter:progid:DXImageTransform.Microsoft.Shadow(Strength=2, Direction=135, Color=#cccccc)\\9}\n",
      "#mMenu{width:56px;border:1px solid #9b9b9b;list-style:none;position:absolute;right:27px;top:28px;display:none;background:#fff}\n",
      "#mMenu a:hover{background:#ebebeb}\n",
      "#mMenu .ln{height:1px;background:#ebebeb;overflow:hidden;font-size:1px;line-height:1px;margin-top:-1px}\n",
      "#u1 a:link,#u1 a:visited{color:#666;text-decoration:none}\n",
      "#u1 a:hover,#u1 a:active{text-decoration:underline}\n",
      "#u1 a:active{color:#00c}\n",
      "#u1{z-index:2;color:#fff;position:absolute;right:0;top:0;margin:19px 0 5px;padding:0 96px 0 0}\n",
      "#u1 .reg{display:none}\n",
      "#u1 a.pf,#u1 a.pf:visited{display:inline-block;float:left;color:#333;line-height:24px;font-size:13px;margin-left:20px;overflow:hidden;text-decoration:underline}\n",
      "#u1 a.lb,#u1 a.lb:visited,#u1 a.username{display:inline-block;float:left;color:#333;font-size:13px;line-height:24px;margin-left:20px;text-decoration:underline}\n",
      "#u1 a.bri,#u1 a.bri:visited{display:inline-block;position:absolute;right:10px;width:60px;height:23px;float:left;color:#fff;background:#38f;line-height:24px;font-size:13px;text-align:center;overflow:hidden;border-bottom:1px solid #38f;margin-left:19px;margin-right:2px}\n",
      "#u1 a.bri.brihover{display:none;text-decoration:none;color:#333;background:0 0;border-bottom:1px solid transparent;margin-left:19px}\n",
      "#u1 #lm a{color:#00c;text-decoration:underline}\n",
      "#u1 a.mnav,#u1 a.mnav:visited{float:left;color:#333;font-weight:700;line-height:24px;margin-left:20px;font-size:13px;text-decoration:underline}\n",
      "#u1 a.pf:hover,#u1 a.lb:hover,#u1 a.mnav:hover{color:#00c}\n",
      ".briiconsbg{background-repeat:no-repeat;background-size:300px 18px;background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_0c37e9b.png);background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_809ae65.gif)\\9}\n",
      ".bdpfmenu{background-color:#fff;border:1px solid #d1d1d1;position:absolute;right:160px;width:68px;top:36px;margin-top:-1px;_margin-top:-3px;z-index:2;box-shadow:1px 1px 5px #d1d1d1;-webkit-box-shadow:1px 1px 5px #d1d1d1;-moz-box-shadow:1px 1px 5px #d1d1d1;-o-box-shadow:1px 1px 5px #d1d1d1}\n",
      ".bdpfmenu a{display:block;text-align:left;margin:0!important;padding:0 9px;line-height:26px;text-decoration:none}\n",
      "#wrapper .bdpfmenu a:link,#wrapper .bdpfmenu a:visited{background:#fff;color:#333}\n",
      "#wrapper .bdpfmenu a:hover,#wrapper .bdpfmenu a:active{background:#38f;text-decoration:none;color:#fff}\n",
      "#wrapper .bdnuarrow{width:0;height:0;font-size:0;line-height:0;display:block;position:absolute;top:-10px;left:50%;margin-left:-5px}\n",
      "#wrapper .bdnuarrow em,#wrapper .bdnuarrow i{width:0;height:0;font-size:0;line-height:0;display:block;position:absolute;border:5px solid transparent;border-style:dashed dashed solid}\n",
      "#wrapper .bdnuarrow em{border-bottom-color:#d8d8d8;top:-1px}\n",
      "#wrapper .bdnuarrow i{border-bottom-color:#fff;top:0}\n",
      ".s-isindex-wrap #wrapper .bdnuarrow{height:13px;background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_0c37e9b.png) no-repeat -90px -1px}\n",
      "#wrapper .bdnuarrow.bdbriarrow{right:104px;display:none!important}\n",
      "#wrapper .bdbri{width:85px;min-height:100px;border-left:1px solid #e7e7e7;position:absolute;background-color:#f9f9f9;overflow:hidden;z-index:2;right:0;top:0}\n",
      "#prefpanel{background:#fafafa;display:none;opacity:0;position:fixed;_position:absolute;top:-359px;z-index:1000;width:100%;min-width:960px;border-bottom:1px solid #ebebeb}\n",
      "#prefpanel form{_width:850px}\n",
      "#wrapper .bdbriimgtitle{color:#333;text-align:center;width:66px;height:43px;line-height:43px;padding-top:9px;margin:0 auto;border-bottom:#f0f0f0 1px solid;font-size:13px;cursor:default}\n",
      "#wrapper .briscrollwrapper{overflow:hidden}\n",
      "#wrapper .briscrollwrapperContainer{position:relative}\n",
      "#wrapper .bdbri.bdbriimg .bdmainlink a,#wrapper .bdbri.bdbriimg .bdothlink a{display:block;text-align:center;width:66px;height:76px;margin:0 auto;border-bottom:#f0f0f0 1px solid;color:#666;text-decoration:none;overflow:hidden}\n",
      "#wrapper .bdbri.bdbriimg .bdmainlink a:visited,#wrapper .bdbri.bdbriimg .bdothlink a:visited{color:#666}\n",
      "#wrapper .bdbri.bdbriimg .bdmainlink a:hover,#wrapper .bdbri.bdbriimg .bdothlink a:hover{color:#666;text-decoration:underline}\n",
      "#wrapper .bdbri.bdbriimg .bdmainlink a:active,#wrapper .bdbri.bdbriimg .bdothlink a:active{color:#00c;text-decoration:underline}\n",
      "#wrapper .bdbri.bdbriimg span{width:36px;height:36px;display:block;margin:10px auto 5px;background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/logos/bdbri_icons_194ae06.png) no-repeat;cursor:pointer}\n",
      "#wrapper .bdbri.bdbriimg .bdbrimore,#wrapper .bdbri.bdbriimg .bdbrievenmore{clear:both;text-align:center}\n",
      "#wrapper .bdbri.bdbriimg .bdbrievenmore{margin-top:15px;height:30px;width:85px;overflow:hidden}\n",
      "#wrapper .bdbri.bdbriimg span.bdbriimgitem_1{background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/logos/nuomi_7f5cd35.png) no-repeat;background-size:cover}\n",
      "#wrapper .bdbri.bdbriimg span.bdbriimgitem_2{background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/logos/zhidao_cbf2aff.png) no-repeat;background-size:cover}\n",
      "#wrapper .bdbri.bdbriimg span.bdbriimgitem_3{width:36px;background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/logos/qqjt_9809ca8.png) no-repeat;background-size:cover}\n",
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      "#wrapper .bdbri.bdbriimg .bdbrievenmore a:link,#wrapper .bdbri.bdbriimg .bdbrievenmore a:visited{color:#666;text-decoration:underline}\n",
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      ".bdbriscroll-ctrl-scroll-touch .bdbriscroll-axis{width:7px;background:#f2f2f2}\n",
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      ".bdbriscroll-ctrl-scroll .bdbriscroll-slider{overflow:hidden;width:7px;height:14px;position:absolute;left:0;z-index:10;display:none;background:#d9d9d9;margin-top:-1px;margin-left:-1px;border-right:1px solid #cecece;border-bottom:1px solid #cecece;cursor:default}\n",
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      ".s_ipt::-webkit-input-placeholder{padding-left:3px;color:#aaa;font-size:13px}\n",
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      "<style index=\"index\" data-compress=\"strip\">\n",
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      "<style data-for=\"debug\">\n",
      "#debug{display:none!important;}\n",
      "</style>\n",
      "<style data-for=\"result\" id=\"css_index_result\" type=\"text/css\">#seth{display:inline;behavior:url(#default#homepage)}\n",
      "#setf{display:inline}\n",
      "#sekj{margin-left:14px}\n",
      "#st,#sekj{display:none}\n",
      ".s_ipt_wr{border:1px solid #b6b6b6;border-color:#7b7b7b #b6b6b6 #b6b6b6 #7b7b7b;background:#fff;display:inline-block;vertical-align:top;width:539px;margin-right:0;border-right-width:0;border-color:#b8b8b8 transparent #ccc #b8b8b8;overflow:hidden}\n",
      ".wrapper_s .s_ipt_wr{width:439px}\n",
      ".wrapper_s .s_ipt{width:434px}\n",
      ".wrapper_s .s_ipt_tip{width:434px}\n",
      ".s_ipt_wr:hover,.s_ipt_wr.ipthover{border-color:#999 transparent #b3b3b3 #999}\n",
      ".s_ipt_wr.iptfocus{border-color:#4791ff transparent #4791ff #4791ff}\n",
      ".s_ipt_tip{color:#aaa;position:absolute;z-index:-10;font:16px/22px arial;height:32px;line-height:32px;padding-left:7px;overflow:hidden;width:526px}\n",
      ".s_ipt{width:526px;height:22px;font:16px/18px arial;line-height:22px;margin:6px 0 0 7px;padding:0;background:transparent;border:0;outline:0;-webkit-appearance:none}\n",
      "#kw{position:relative}\n",
      "#u .username i{background-position:-408px -144px}\n",
      ".bdpfmenu,.usermenu{border:1px solid #d1d1d1;position:absolute;width:105px;top:36px;z-index:302;box-shadow:1px 1px 5px #d1d1d1;-webkit-box-shadow:1px 1px 5px #d1d1d1;-moz-box-shadow:1px 1px 5px #d1d1d1;-o-box-shadow:1px 1px 5px #d1d1d1}\n",
      ".bdpfmenu{font-size:12px;background-color:#fff}\n",
      ".bdpfmenu a,.usermenu a{display:block;text-align:left;margin:0!important;padding:0 9px;line-height:26px;text-decoration:none}\n",
      ".briiconsbg{background-repeat:no-repeat;background-size:300px 18px;background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_0c37e9b.png);background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_809ae65.gif)\\9}\n",
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      ".wrapper_s #u a{margin-right:0 6px}\n",
      "#u div a{text-decoration:none}\n",
      "#u a:hover{text-decoration:underline}\n",
      "#u .back_org{color:#666;float:left;display:inline-block;height:24px;line-height:24px}\n",
      "#u .bri{display:inline-block;width:24px;height:24px;float:left;line-height:24px;color:transparent;background:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_0c37e9b.png) no-repeat 4px 3px;background-size:300px 18px;background-image:url(http://s1.bdstatic.com/r/www/cache/static/home/img/icons_809ae65.gif)\\9;overflow:hidden}\n",
      "#u .bri:hover,#u .bri.brihover{background-position:-18px 3px}\n",
      "#mCon #imeSIcon{background-position:-408px -144px;margin-left:0}\n",
      "#mCon span{color:#333}\n",
      ".bdpfmenu a:link,.bdpfmenu a:visited,#u .usermenu a:link,#u .usermenu a:visited{background:#fff;color:#333}\n",
      ".bdpfmenu a:hover,.bdpfmenu a:active,#u .usermenu a:hover,#u .usermenu a:active{background:#38f;text-decoration:none;color:#fff}\n",
      ".bdpfmenu{width:70px}\n",
      ".usermenu{width:68px;right:8px}\n",
      "#wrapper .bdnuarrow{width:0;height:0;font-size:0;line-height:0;display:block;position:absolute;top:-10px;left:50%;margin-left:-5px}\n",
      "#wrapper .bdnuarrow em,#wrapper .bdnuarrow i{width:0;height:0;font-size:0;line-height:0;display:block;position:absolute;border:5px solid transparent;border-style:dashed dashed solid}\n",
      "#wrapper .bdnuarrow em{border-bottom-color:#d8d8d8;top:-1px}\n",
      "#wrapper .bdnuarrow i{border-bottom-color:#fff;top:0}\n",
      "#prefpanel{background:#fafafa;display:none;opacity:0;position:fixed;_position:absolute;top:-359px;z-index:500;width:100%;min-width:960px;border-bottom:1px solid #ebebeb}\n",
      "#prefpanel form{_width:850px}\n",
      "#kw_tip{cursor:default;display:none;margin-top:1px}\n",
      "#bds-message-wrapper{top:43px}\n",
      ".quickdelete-wrap{position:relative}\n",
      ".quickdelete-wrap input{width:500px}\n",
      ".wrapper_l .quickdelete-wrap input{width:500px}\n",
      ".wrapper_s .quickdelete-wrap input{width:402px}\n",
      "input::-ms-clear{display:none}\n",
      ".quickdelete{width:32px;height:32px;background:url(http://s1.bdstatic.com/r/www/cache/static/global/img/quickdelete_33e3eb8.png) no-repeat;background-position:10px 10px;position:absolute;display:block}\n",
      ".quickdelete:hover{background-position:10px -24px}\n",
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      ".bdbriwrapper-tuiguang{display:none!important}</style>\n",
      "<!--[if IE 8]>\n",
      "<style index=\"index\" data-compress=\"strip\">\n",
      ".s_ipt{background-color:#FFF;}\n",
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      "<![endif]-->\n",
      "\n",
      "    \n",
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      "</script>\n",
      "\n",
      "<noscript>\n",
      "    <meta http-equiv=\"refresh\" content=\"0; url=/baidu.html?from=noscript\"/>\n",
      "</noscript>\n",
      "\n",
      "    <script>window._ASYNC_START=new Date().getTime();</script>\n",
      "</head>\n",
      "\n",
      "<body link=\"#0000cc\">\n",
      "\t<script>\n",
      "\tif (/Chrome\\/37.0.2062.94/i.test(navigator.userAgent) && (/(windows 7)|(windows nt 6.1)/i.test(navigator.userAgent))) {\n",
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      "\t\tdocument.getElementsByTagName(\"head\")[0].appendChild(_chrome_37_fix);\n",
      "\t}\n",
      "\t</script>\n",
      "    <div id=\"wrapper\" style=\"display:none;\">\n",
      "        \n",
      "\n",
      "\n",
      "        \n",
      "\n",
      "\n",
      "<script>if(window.bds&&bds.util&&bds.util.setContainerWidth){bds.util.setContainerWidth();}</script><div id=\"head\"><div class=\"head_wrapper\"><div class=\"s_form\"><div class=\"s_form_wrapper\"><style>.index-logo-srcnew {display: none;}@media (-webkit-min-device-pixel-ratio: 2),(min--moz-device-pixel-ratio: 2),(-o-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2){.index-logo-src {display: none;}.index-logo-srcnew {display: inline;}}</style><div id=\"lg\"><img hidefocus=\"true\" class='index-logo-src' src=\"//www.baidu.com/img/bd_logo1.png\" width=\"270\" height=\"129\" usemap=\"#mp\"><img hidefocus=\"true\" class='index-logo-srcnew' src=\"//www.baidu.com/img/bd_logo1.png?qua=high\" width=\"270\" height=\"129\" usemap=\"#mp\"><map name=\"mp\"><area style=\"outline:none;\" hidefocus=\"true\" shape=\"rect\" coords=\"0,0,270,129\" href=\"//www.baidu.com/s?wd=%E4%BB%8A%E6%97%A5%E6%96%B0%E9%B2%9C%E4%BA%8B&tn=SE_PclogoS_8whnvm25&sa=ire_dl_gh_logo&rsv_dl=igh_logo_pcs\" onmousedown=\"return ns_c({fm: 'tab', tab: 'felogo', rsv_platform: 'wwwhome' })\" target=\"_blank\" title=\"点击一下，了解更多\"onmousedown=\"return ns_c({'fm':'behs','tab':'bdlogo'})\"></map></div><a href=\"/\" id=\"result_logo\" onmousedown=\"return c({'fm':'tab','tab':'logo'})\"><img class='index-logo-src' src=\"//www.baidu.com/img/baidu_jgylogo3.gif\" alt=\"到百度首页\" title=\"到百度首页\"><img class='index-logo-srcnew' src=\"//www.baidu.com/img/baidu_jgylogo3.gif\" alt=\"到百度首页\" title=\"到百度首页\"></a><form id=\"form\" name=\"f\" action=\"/s\" class=\"fm\"><input type=\"hidden\" name=\"ie\" value=\"utf-8\"><input type=\"hidden\" name=\"f\" value=\"8\"><input type=\"hidden\" name=\"rsv_bp\" value=\"1\"><input type=\"hidden\" name=\"rsv_idx\" value=\"1\"><input type=hidden name=ch value=\"\"><input type=hidden name=tn value=\"baidu\"><input type=hidden name=bar value=\"\"><span class=\"bg s_ipt_wr\"><input id=\"kw\" name=\"wd\" class=\"s_ipt\" value=\"\" maxlength=\"255\" autocomplete=\"off\"></span><span class=\"bg s_btn_wr\"><input type=\"submit\" id=\"su\" value=\"百度一下\" class=\"bg s_btn\"></span><span class=\"tools\"><span id=\"mHolder\"><div id=\"mCon\"><span>输入法</span></div><ul id=\"mMenu\"><li><a href=\"javascript:;\" name=\"ime_hw\">手写</a></li><li><a href=\"javascript:;\" name=\"ime_py\">拼音</a></li><li class=\"ln\"></li><li><a href=\"javascript:;\" name=\"ime_cl\">关闭</a></li></ul></span></span><input type=\"hidden\" name=\"rn\" value=\"\"><input type=\"hidden\" name=\"oq\" value=\"\"><input type=\"hidden\" name=\"rsv_pq\" value=\"9a863abf0000ee9b\"><input type=\"hidden\" name=\"rsv_t\" value=\"e7e5ROeD54UDGqqEt8rqO4hKYDy6/6vwrj/2fjkTPjISyFZBJ0AdxOJO3Rw\"><input type=\"hidden\" name=\"rqlang\" value=\"cn\"></form><div id=\"m\"></div></div></div><div id=\"u\"><a class=\"toindex\" href=\"/\">百度首页</a><a href=\"javascript:;\" name=\"tj_settingicon\" class=\"pf\">设置<i class=\"c-icon c-icon-triangle-down\"></i></a><a href=\"https://passport.baidu.com/v2/?login&tpl=mn&u=http%3A%2F%2Fwww.baidu.com%2F&sms=5\" name=\"tj_login\" class=\"lb\" onclick=\"return false;\">登录</a></div><div id=\"u1\"><a href=\"http://news.baidu.com\" name=\"tj_trnews\" class=\"mnav\">新闻</a><a href=\"https://www.hao123.com\" name=\"tj_trhao123\" class=\"mnav\">hao123</a><a href=\"http://map.baidu.com\" name=\"tj_trmap\" class=\"mnav\">地图</a><a href=\"http://v.baidu.com\" name=\"tj_trvideo\" class=\"mnav\">视频</a><a href=\"http://tieba.baidu.com\" name=\"tj_trtieba\" class=\"mnav\">贴吧</a><a href=\"http://xueshu.baidu.com\" name=\"tj_trxueshu\" class=\"mnav\">学术</a><a href=\"https://passport.baidu.com/v2/?login&tpl=mn&u=http%3A%2F%2Fwww.baidu.com%2F&sms=5\" name=\"tj_login\" class=\"lb\" onclick=\"return false;\">登录</a><a href=\"http://www.baidu.com/gaoji/preferences.html\" name=\"tj_settingicon\" class=\"pf\">设置</a><a href=\"http://www.baidu.com/more/\" name=\"tj_briicon\" class=\"bri\" style=\"display: block;\">更多产品</a></div></div></div>\n",
      "\n",
      "\n",
      "\n",
      "<div class=\"s_tab\" id=\"s_tab\">\n",
      "<div class=\"s_tab_inner\">\n",
      "    <b>网页</b>\n",
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      "    <a href=\"http://tieba.baidu.com/f?kw=&fr=wwwt\" wdfield=\"kw\"  onmousedown=\"return c({'fm':'tab','tab':'tieba'})\">贴吧</a>\n",
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      "    <a href=\"http://music.taihe.com/search?fr=ps&ie=utf-8&key=\" wdfield=\"key\"  onmousedown=\"return c({'fm':'tab','tab':'music'})\">音乐</a>\n",
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      "\n",
      "<div class=\"qrcodeCon\">\n",
      "\t<div id=\"qrcode\">\n",
      "\t\t<div class=\"qrcode-item qrcode-item-1\">\n",
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      "\t\t\t<div class=\"qrcode-text\">\n",
      "\t\t\t\t\t<p><b>百度</b></p>\n",
      "\t\t\t</div>\n",
      "\t\t</div>\n",
      "\t</div>\n",
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      "<div id=\"ftCon\">\n",
      "\n",
      "<div class=\"ftCon-Wrapper\"><div id=\"ftConw\"><p id=\"lh\"><a id=\"setf\" href=\"//www.baidu.com/cache/sethelp/help.html\" onmousedown=\"return ns_c({'fm':'behs','tab':'favorites','pos':0})\" target=\"_blank\">把百度设为主页</a><a onmousedown=\"return ns_c({'fm':'behs','tab':'tj_about'})\" href=\"http://home.baidu.com\">关于百度</a><a onmousedown=\"return ns_c({'fm':'behs','tab':'tj_about_en'})\" href=\"http://ir.baidu.com\">About&nbsp;&nbsp;Baidu</a><a onmousedown=\"return ns_c({'fm':'behs','tab':'tj_tuiguang'})\" href=\"http://e.baidu.com/?refer=888\">百度推广</a></p><p id=\"cp\">&copy;2018&nbsp;Baidu&nbsp;<a href=\"http://www.baidu.com/duty/\" onmousedown=\"return ns_c({'fm':'behs','tab':'tj_duty'})\">使用百度前必读</a>&nbsp;<a href=\"http://jianyi.baidu.com/\" class=\"cp-feedback\" onmousedown=\"return ns_c({'fm':'behs','tab':'tj_homefb'})\">意见反馈</a>&nbsp;京ICP证030173号&nbsp;<i class=\"c-icon-icrlogo\"></i>&nbsp;<a id=\"jgwab\"  target=\"_blank\" href=\"http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=11000002000001\">京公网安备11000002000001号</a>&nbsp;<i class=\"c-icon-jgwablogo\"></i></p></div></div></div>\n",
      "        <div id=\"wrapper_wrapper\">\n",
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      "    <script>\n",
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      "    \n",
      "    \n",
      "<script>\n",
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      "        flagTranslateResult:0,\n",
      "        globalLogFlag:0\n",
      "\t,encTn:'e7e5ROeD54UDGqqEt8rqO4hKYDy6/6vwrj/2fjkTPjISyFZBJ0AdxOJO3Rw'    }\n",
      "};\n",
      "\n",
      "\n",
      "\n",
      "    \n",
      "\n",
      "\n",
      "//防止从结果页打开的页面中通过opener.xxx来影响百度页面\n",
      "\n",
      "\n",
      "var name,navigate,al_arr=[];\n",
      "var selfOpen = window.open;eval(\"var open = selfOpen;\");\n",
      "var isIE=navigator.userAgent.indexOf(\"MSIE\")!=-1&&!window.opera;\n",
      "var E = bds.ecom= {};\n",
      "\n",
      "bds.se.mon = {'loadedItems':[],'load':function(){},'srvt':-1};\n",
      "\n",
      "try {\n",
      "    bds.se.mon.srvt = parseInt(document.cookie.match(new RegExp(\"(^| )BDSVRTM=([^;]*)(;|$)\"))[2]);\n",
      "    document.cookie=\"BDSVRTM=;expires=Sat, 01 Jan 2000 00:00:00 GMT\";\n",
      "}catch(e){}\n",
      "\n",
      "//兼容之前一些变量\n",
      "var\n",
      "bdUser        = bds.comm.user?bds.comm.user:null,\n",
      "bdQuery       = bds.comm.query,\n",
      "bdUseFavo     = bds.comm.useFavo,\n",
      "bdFavoOn      = bds.comm.favoOn,\n",
      "bdCid         = bds.comm.cid,\n",
      "bdSid         = bds.comm.sid,\n",
      "bdServerTime  = bds.comm.serverTime,\n",
      "bdQid         = bds.comm.queryId,\n",
      "bdstoken      = bds.comm.stoken,\n",
      "login_success = [];\n",
      "\n",
      "\n",
      "\n",
      "</script>\n",
      "<script>\n",
      "/* https域名转换工具 */\n",
      "bds.util.domain = (function(){\n",
      "\t    \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t            \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tvar list = {\n",
      "        \"graph.baidu.com\": \"http://graph.baidu.com\",\n",
      "\t\t\"p.qiao.baidu.com\":\"http://p.qiao.baidu.com\",\n",
      "\t\t\"vse.baidu.com\":\"http://vse.baidu.com\",\n",
      "\t\t\"hdpreload.baidu.com\":\"http://hdpreload.baidu.com\",\n",
      "\t\t\"lcr.open.baidu.com\":\"http://lcr.open.baidu.com\",\n",
      "\t\t\"kankan.baidu.com\":\"http://kankan.baidu.com\",\n",
      "\t\t\"xapp.baidu.com\":\"http://xapp.baidu.com\",\n",
      "\t\t\"dr.dh.baidu.com\":\"http://dr.dh.baidu.com\",\n",
      "\t\t\"xiaodu.baidu.com\":\"http://xiaodu.baidu.com\",\n",
      "\t\t\"sensearch.baidu.com\":\"http://sensearch.baidu.com\",\n",
      "\t\t\"s1.bdstatic.com\":\"http://s1.bdstatic.com\",\n",
      "\t\t\"olime.baidu.com\":\"http://olime.baidu.com\",\n",
      "\t\t\"app.baidu.com\":\"http://app.baidu.com\",\n",
      "\t\t\"i.baidu.com\":\"http://i.baidu.com\",\n",
      "\t\t\"c.baidu.com\":\"http://c.baidu.com\",\n",
      "\t\t\"sclick.baidu.com\":\"http://sclick.baidu.com\",\n",
      "\t\t\"nsclick.baidu.com\":\"http://nsclick.baidu.com\",\n",
      "\t\t\"sestat.baidu.com\":\"http://sestat.baidu.com\",\n",
      "\t\t\"eclick.baidu.com\":\"http://eclick.baidu.com\",\n",
      "\t\t\"api.map.baidu.com\":\"http://api.map.baidu.com\",\n",
      "\t\t\"ecma.bdimg.com\":\"http://ecma.bdimg.com\",\n",
      "\t\t\"ecmb.bdimg.com\":\"http://ecmb.bdimg.com\",\n",
      "        \"t1.baidu.com\":\"http://t1.baidu.com\",\n",
      "        \"t2.baidu.com\":\"http://t2.baidu.com\",\n",
      "        \"t3.baidu.com\":\"http://t3.baidu.com\",\n",
      "\t\t\"t10.baidu.com\":\"http://t10.baidu.com\",\n",
      "\t\t\"t11.baidu.com\":\"http://t11.baidu.com\",\n",
      "\t\t\"t12.baidu.com\":\"http://t12.baidu.com\",\n",
      "\t\t\"i7.baidu.com\":\"http://i7.baidu.com\",\n",
      "\t\t\"i8.baidu.com\":\"http://i8.baidu.com\",\n",
      "\t\t\"i9.baidu.com\":\"http://i9.baidu.com\",\n",
      "\t\t\"b1.bdstatic.com\":\"http://b1.bdstatic.com\",\n",
      "\t\t\"ss.bdimg.com\":\"http://ss.bdimg.com\",\n",
      "\t\t\"opendata.baidu.com\":\"http://opendata.baidu.com\",\n",
      "\t\t\"api.open.baidu.com\":\"http://api.open.baidu.com\",\n",
      "\t\t\"tag.baidu.com\":\"http://tag.baidu.com\",\n",
      "\t\t\"f3.baidu.com\":\"http://f3.baidu.com\",\n",
      "\t\t\"s.share.baidu.com\":\"http://s.share.baidu.com\",\t\n",
      "\t\t\"bdimg.share.baidu.com\":\"http://bdimg.share.baidu.com\",\n",
      "        \"1.su.bdimg.com\":\"http://1.su.bdimg.com\",\n",
      "        \"2.su.bdimg.com\":\"http://2.su.bdimg.com\",\n",
      "        \"3.su.bdimg.com\":\"http://3.su.bdimg.com\",\n",
      "        \"4.su.bdimg.com\":\"http://4.su.bdimg.com\",\n",
      "        \"5.su.bdimg.com\":\"http://5.su.bdimg.com\",\n",
      "        \"6.su.bdimg.com\":\"http://6.su.bdimg.com\",\n",
      "        \"7.su.bdimg.com\":\"http://7.su.bdimg.com\",\n",
      "        \"8.su.bdimg.com\":\"http://8.su.bdimg.com\"\n",
      "\t};\n",
      "\n",
      "\n",
      "\tvar get = function(url) {\n",
      "\t\tif(location.protocol === \"http\") {\n",
      "\t\t\treturn url;\n",
      "\t\t}\n",
      "\t\tvar reg = /^(http[s]?:\\/\\/)?([^\\/]+)(.*)/,\n",
      "\t\tmatches = url.match(reg);\n",
      "\t\t/* 判断传入参数是域名还是地址，分别做处理 */\n",
      "\t\turl = list.hasOwnProperty(matches[2])&&(list[matches[2]] + matches[3]) || url;\n",
      "\t\treturn url;\n",
      "\t},\n",
      "\tset = function(kdomain,vdomain) {\n",
      "\t\tlist[kdomain] = vdomain;\n",
      "\t};\n",
      "\treturn {\n",
      "\t\tget : get,\n",
      "\t\tset : set\n",
      "\t}\n",
      "})();\n",
      "</script>\n",
      "<script>\n",
      "//让用户更快看到首页\n",
      "if(!location.hash.match(/[^a-zA-Z0-9]wd=/)){\n",
      "    document.getElementById(\"wrapper\").style.display='block';\n",
      "    setTimeout(function(){\n",
      "        try{\n",
      "            var kw=document.getElementById(\"kw\");\n",
      "            kw.focus();\n",
      "\t\t\tkw.parentNode.className=\"bg s_ipt_wr iptfocus quickdelete-wrap\";\n",
      "        }catch(e){}\n",
      "    },0);\n",
      "}\n",
      "\n",
      "</script>\n",
      "<script type=\"text/javascript\" src=\"http://s1.bdstatic.com/r/www/cache/static/jquery/jquery-1.10.2.min_65682a2.js\"></script>\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "<script>\n",
      "(function(){\n",
      "\n",
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.c-tabs-nav-icon{display:inline-block;width:.15rem;height:.15rem}[data-pmd] .c-tabs-nav-view{position:relative;height:.38rem;background-color:#f5f5f5;overflow:hidden}[data-pmd] .c-tabs-nav-view .c-tabs-nav{display:block}[data-pmd] .c-tabs-nav-view .c-tabs-nav .c-tabs-nav-li{display:inline-block;width:auto;padding:0 .17rem}[data-pmd] .c-tabs-nav-toggle{position:absolute;top:0;right:0;z-index:9;display:block;text-align:center;width:.38rem;height:.38rem;border-left:1px solid #eee;background-color:#f5f5f5}[data-pmd] .c-tabs-nav-toggle::before{display:inline-block;font-family:cicons;content:\\\"\\\\e73c\\\";font-size:.12rem;color:#333;line-height:.36rem}[data-pmd] .c-tabs-nav-layer{position:absolute;top:0;z-index:8;width:100%;background-color:#f5f5f5;border-bottom:1px solid #eee}[data-pmd] .c-tabs-nav-layer p{color:#999;height:.39rem;line-height:.39rem;padding:0 .17rem;border-bottom:1px solid #eee}[data-pmd] .c-tabs-nav-layer-ul 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      "    window.__restart_confirm_timeout=true;\n",
      "    window.__confirm_timeout=8000;\n",
      "    window.__disable_is_guide=true;\n",
      "    window.__disable_swap_to_empty=true;\n",
      "}\n",
      "initPreload({\n",
      "    'isui':true,\n",
      "    'index_form':\"#form\",\n",
      "    'index_kw':\"#kw\",\n",
      "    'result_form':\"#form\",\n",
      "    'result_kw':\"#kw\"\n",
      "});\n",
      "</script>\n",
      "\n",
      "<script>\n",
      "if(navigator.cookieEnabled){\n",
      "\tdocument.cookie=\"NOJS=;expires=Sat, 01 Jan 2000 00:00:00 GMT\";\n",
      "}\n",
      "</script>\n",
      "\n",
      "\n",
      "\n",
      "</body>\n",
      "</html>\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n"
     ]
    }
   ],
   "source": [
    "import urllib.request\n",
    "res = urllib.request.urlopen('http://www.baidu.com')\n",
    "print(res.read().decode('utf-8'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b'{\\n  \"args\": {}, \\n  \"data\": \"\", \\n  \"files\": {}, \\n  \"form\": {\\n    \"key1\": \"value1\"\\n  }, \\n  \"headers\": {\\n    \"Accept-Encoding\": \"identity\", \\n    \"Connection\": \"close\", \\n    \"Content-Length\": \"11\", \\n    \"Content-Type\": \"application/x-www-form-urlencoded\", \\n    \"Host\": \"httpbin.org\", \\n    \"User-Agent\": \"Python-urllib/3.7\"\\n  }, \\n  \"json\": null, \\n  \"origin\": \"125.68.7.204\", \\n  \"url\": \"https://httpbin.org/post\"\\n}\\n'\n"
     ]
    }
   ],
   "source": [
    "import urllib.parse\n",
    "import urllib.request\n",
    "data = bytes(urllib.parse.urlencode({'key1':'value1'}),encoding='utf8')\n",
    "res= urllib.request.urlopen('https://httpbin.org/post',data=data)\n",
    "print(res.read())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b'{\\n  \"args\": {}, \\n  \"headers\": {\\n    \"Accept-Encoding\": \"identity\", \\n    \"Connection\": \"close\", \\n    \"Host\": \"httpbin.org\", \\n    \"User-Agent\": \"Python-urllib/3.7\"\\n  }, \\n  \"origin\": \"125.68.7.204\", \\n  \"url\": \"https://httpbin.org/get\"\\n}\\n'\n"
     ]
    }
   ],
   "source": [
    "import urllib.request\n",
    "res = urllib.request.urlopen('https://httpbin.org/get',timeout=1)\n",
    "print(res.read())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "TIME OUT\n"
     ]
    }
   ],
   "source": [
    "import socket\n",
    "import urllib.request\n",
    "import urllib.error\n",
    "try:\n",
    "    res= urllib.request.urlopen('https://httpbin.org/get',timeout=0.1)\n",
    "except urllib.error.URLError as e:\n",
    "    if isinstance(e.reason,socket.timeout):\n",
    "        print('TIME OUT')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'http.client.HTTPResponse'>\n"
     ]
    }
   ],
   "source": [
    "### 响应\n",
    "import urllib.request\n",
    "res =urllib.request.urlopen('https://www.python.org')\n",
    "print(type(res))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "200\n",
      "[('Server', 'nginx'), ('Content-Type', 'text/html; charset=utf-8'), ('X-Frame-Options', 'SAMEORIGIN'), ('x-xss-protection', '1; mode=block'), ('X-Clacks-Overhead', 'GNU Terry Pratchett'), ('Via', '1.1 varnish'), ('Content-Length', '48944'), ('Accept-Ranges', 'bytes'), ('Date', 'Fri, 21 Dec 2018 08:48:11 GMT'), ('Via', '1.1 varnish'), ('Age', '1491'), ('Connection', 'close'), ('X-Served-By', 'cache-iad2137-IAD, cache-hnd18728-HND'), ('X-Cache', 'HIT, HIT'), ('X-Cache-Hits', '2, 1344'), ('X-Timer', 'S1545382092.897040,VS0,VE0'), ('Vary', 'Cookie'), ('Strict-Transport-Security', 'max-age=63072000; includeSubDomains')]\n",
      "nginx\n"
     ]
    }
   ],
   "source": [
    "import urllib.request\n",
    "res= urllib.request.urlopen('https://www.python.org')\n",
    "print(res.status)\n",
    "print(res.getheaders())\n",
    "print(res.getheader('Server'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<!doctype html>\n",
      "<!--[if lt IE 7]>   <html class=\"no-js ie6 lt-ie7 lt-ie8 lt-ie9\">   <![endif]-->\n",
      "<!--[if IE 7]>      <html class=\"no-js ie7 lt-ie8 lt-ie9\">          <![endif]-->\n",
      "<!--[if IE 8]>      <html class=\"no-js ie8 lt-ie9\">                 <![endif]-->\n",
      "<!--[if gt IE 8]><!--><html class=\"no-js\" lang=\"en\" dir=\"ltr\">  <!--<![endif]-->\n",
      "\n",
      "<head>\n",
      "    <meta charset=\"utf-8\">\n",
      "    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n",
      "\n",
      "    <link rel=\"prefetch\" href=\"//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js\">\n",
      "\n",
      "    <meta name=\"application-name\" content=\"Python.org\">\n",
      "    <meta name=\"msapplication-tooltip\" content=\"The official home of the Python Programming Language\">\n",
      "    <meta name=\"apple-mobile-web-app-title\" content=\"Python.org\">\n",
      "    <meta name=\"apple-mobile-web-app-capable\" content=\"yes\">\n",
      "    <meta name=\"apple-mobile-web-app-status-bar-style\" content=\"black\">\n",
      "\n",
      "    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n",
      "    <meta name=\"HandheldFriendly\" content=\"True\">\n",
      "    <meta name=\"format-detection\" content=\"telephone=no\">\n",
      "    <meta http-equiv=\"cleartype\" content=\"on\">\n",
      "    <meta http-equiv=\"imagetoolbar\" content=\"false\">\n",
      "\n",
      "    <script src=\"/static/js/libs/modernizr.js\"></script>\n",
      "\n",
      "    <link href=\"/static/stylesheets/style.css\" rel=\"stylesheet\" type=\"text/css\" title=\"default\" />\n",
      "    <link href=\"/static/stylesheets/mq.css\" rel=\"stylesheet\" type=\"text/css\" media=\"not print, braille, embossed, speech, tty\" />\n",
      "    \n",
      "\n",
      "    <!--[if (lte IE 8)&(!IEMobile)]>\n",
      "    <link href=\"/static/stylesheets/no-mq.css\" rel=\"stylesheet\" type=\"text/css\" media=\"screen\" />\n",
      "    \n",
      "    \n",
      "    <![endif]-->\n",
      "\n",
      "    \n",
      "    <link rel=\"icon\" type=\"image/x-icon\" href=\"/static/favicon.ico\">\n",
      "    <link rel=\"apple-touch-icon-precomposed\" sizes=\"144x144\" href=\"/static/apple-touch-icon-144x144-precomposed.png\">\n",
      "    <link rel=\"apple-touch-icon-precomposed\" sizes=\"114x114\" href=\"/static/apple-touch-icon-114x114-precomposed.png\">\n",
      "    <link rel=\"apple-touch-icon-precomposed\" sizes=\"72x72\" href=\"/static/apple-touch-icon-72x72-precomposed.png\">\n",
      "    <link rel=\"apple-touch-icon-precomposed\" href=\"/static/apple-touch-icon-precomposed.png\">\n",
      "    <link rel=\"apple-touch-icon\" href=\"/static/apple-touch-icon-precomposed.png\">\n",
      "\n",
      "    \n",
      "    <meta name=\"msapplication-TileImage\" content=\"/static/metro-icon-144x144-precomposed.png\"><!-- white shape -->\n",
      "    <meta name=\"msapplication-TileColor\" content=\"#3673a5\"><!-- python blue -->\n",
      "    <meta name=\"msapplication-navbutton-color\" content=\"#3673a5\">\n",
      "\n",
      "    <title>Welcome to Python.org</title>\n",
      "\n",
      "    <meta name=\"description\" content=\"The official home of the Python Programming Language\">\n",
      "    <meta name=\"keywords\" content=\"Python programming language object oriented web free open source software license documentation download community\">\n",
      "\n",
      "    \n",
      "    <meta property=\"og:type\" content=\"website\">\n",
      "    <meta property=\"og:site_name\" content=\"Python.org\">\n",
      "    <meta property=\"og:title\" content=\"Welcome to Python.org\">\n",
      "    <meta property=\"og:description\" content=\"The official home of the Python Programming Language\">\n",
      "    \n",
      "    <meta property=\"og:image\" content=\"https://www.python.org/static/opengraph-icon-200x200.png\">\n",
      "    <meta property=\"og:image:secure_url\" content=\"https://www.python.org/static/opengraph-icon-200x200.png\">\n",
      "    \n",
      "    <meta property=\"og:url\" content=\"https://www.python.org/\">\n",
      "\n",
      "    <link rel=\"author\" href=\"/static/humans.txt\">\n",
      "\n",
      "    <link rel=\"alternate\" type=\"application/rss+xml\" title=\"Python Enhancement Proposals\"\n",
      "          href=\"https://www.python.org/dev/peps/peps.rss/\">\n",
      "    <link rel=\"alternate\" type=\"application/rss+xml\" title=\"Python Job Opportunities\"\n",
      "          href=\"https://www.python.org/jobs/feed/rss/\">\n",
      "    <link rel=\"alternate\" type=\"application/rss+xml\" title=\"Python Software Foundation News\"\n",
      "          href=\"https://feeds.feedburner.com/PythonSoftwareFoundationNews\">\n",
      "    <link rel=\"alternate\" type=\"application/rss+xml\" title=\"Python Insider\"\n",
      "          href=\"https://feeds.feedburner.com/PythonInsider\">\n",
      "\n",
      "    \n",
      "\n",
      "    \n",
      "    <script type=\"application/ld+json\">\n",
      "     {\n",
      "       \"@context\": \"http://schema.org\",\n",
      "       \"@type\": \"WebSite\",\n",
      "       \"url\": \"https://www.python.org/\",\n",
      "       \"potentialAction\": {\n",
      "         \"@type\": \"SearchAction\",\n",
      "         \"target\": \"https://www.python.org/search/?q={search_term_string}\",\n",
      "         \"query-input\": \"required name=search_term_string\"\n",
      "       }\n",
      "     }\n",
      "    </script>\n",
      "\n",
      "    \n",
      "    <script type=\"text/javascript\">\n",
      "    var _gaq = _gaq || [];\n",
      "    _gaq.push(['_setAccount', 'UA-39055973-1']);\n",
      "    _gaq.push(['_trackPageview']);\n",
      "\n",
      "    (function() {\n",
      "        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;\n",
      "        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';\n",
      "        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);\n",
      "    })();\n",
      "    </script>\n",
      "    \n",
      "</head>\n",
      "\n",
      "<body class=\"python home\" id=\"homepage\">\n",
      "\n",
      "    <div id=\"touchnav-wrapper\">\n",
      "\n",
      "        <div id=\"nojs\" class=\"do-not-print\">\n",
      "            <p><strong>Notice:</strong> While Javascript is not essential for this website, your interaction with the content will be limited. Please turn Javascript on for the full experience. </p>\n",
      "        </div>\n",
      "\n",
      "        <!--[if lt IE 8]>\n",
      "        <div id=\"oldie-warning\" class=\"do-not-print\">\n",
      "            <p><strong>Notice:</strong> Your browser is <em>ancient</em> and <a href=\"http://www.ie6countdown.com/\">Microsoft agrees</a>. <a href=\"http://browsehappy.com/\">Upgrade to a different browser</a> or <a href=\"http://www.google.com/chromeframe/?redirect=true\">install Google Chrome Frame</a> to experience a better web.</p>\n",
      "        </div>\n",
      "        <![endif]-->\n",
      "\n",
      "        <!-- Sister Site Links -->\n",
      "        <div id=\"top\" class=\"top-bar do-not-print\">\n",
      "\n",
      "            <nav class=\"meta-navigation container\" role=\"navigation\">\n",
      "\n",
      "                \n",
      "                <div class=\"skip-link screen-reader-text\">\n",
      "                    <a href=\"#content\" title=\"Skip to content\">Skip to content</a>\n",
      "                </div>\n",
      "\n",
      "                \n",
      "                <a id=\"close-python-network\" class=\"jump-link\" href=\"#python-network\" aria-hidden=\"true\">\n",
      "                    <span aria-hidden=\"true\" class=\"icon-arrow-down\"><span>&#9660;</span></span> Close\n",
      "                </a>\n",
      "\n",
      "                \n",
      "\n",
      "<ul class=\"menu\" role=\"tree\">\n",
      "    \n",
      "    <li class=\"python-meta current_item selectedcurrent_branch selected\">\n",
      "        <a href=\"/\" title=\"The Python Programming Language\" class=\"current_item selectedcurrent_branch selected\">Python</a>\n",
      "    </li>\n",
      "    \n",
      "    <li class=\"psf-meta \">\n",
      "        <a href=\"/psf-landing/\" title=\"The Python Software Foundation\" >PSF</a>\n",
      "    </li>\n",
      "    \n",
      "    <li class=\"docs-meta \">\n",
      "        <a href=\"https://docs.python.org\" title=\"Python Documentation\" >Docs</a>\n",
      "    </li>\n",
      "    \n",
      "    <li class=\"pypi-meta \">\n",
      "        <a href=\"https://pypi.python.org/\" title=\"Python Package Index\" >PyPI</a>\n",
      "    </li>\n",
      "    \n",
      "    <li class=\"jobs-meta \">\n",
      "        <a href=\"/jobs/\" title=\"Python Job Board\" >Jobs</a>\n",
      "    </li>\n",
      "    \n",
      "    <li class=\"shop-meta \">\n",
      "        <a href=\"/community/\" title=\"Python Community\" >Community</a>\n",
      "    </li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "\n",
      "                <a id=\"python-network\" class=\"jump-link\" href=\"#top\" aria-hidden=\"true\">\n",
      "                    <span aria-hidden=\"true\" class=\"icon-arrow-up\"><span>&#9650;</span></span> The Python Network\n",
      "                </a>\n",
      "\n",
      "            </nav>\n",
      "\n",
      "        </div>\n",
      "\n",
      "        <!-- Header elements -->\n",
      "        <header class=\"main-header\" role=\"banner\">\n",
      "            <div class=\"container\">\n",
      "\n",
      "                <h1 class=\"site-headline\">\n",
      "                    <a href=\"/\"><img class=\"python-logo\" src=\"/static/img/python-logo.png\" alt=\"python&trade;\"></a>\n",
      "                </h1>\n",
      "\n",
      "                <div class=\"options-bar do-not-print\">\n",
      "\n",
      "                    \n",
      "                    <a id=\"site-map-link\" class=\"jump-to-menu\" href=\"#site-map\"><span class=\"menu-icon\">&equiv;</span> Menu</a><form class=\"search-the-site\" action=\"/search/\" method=\"get\">\n",
      "                        <fieldset title=\"Search Python.org\">\n",
      "\n",
      "                            <span aria-hidden=\"true\" class=\"icon-search\"></span>\n",
      "\n",
      "                            <label class=\"screen-reader-text\" for=\"id-search-field\">Search This Site</label>\n",
      "                            <input id=\"id-search-field\" name=\"q\" type=\"search\" role=\"textbox\" class=\"search-field\" placeholder=\"Search\" value=\"\" tabindex=\"1\">\n",
      "\n",
      "                            <button type=\"submit\" name=\"submit\" id=\"submit\" class=\"search-button\" title=\"Submit this Search\" tabindex=\"3\">\n",
      "                                GO\n",
      "                            </button>\n",
      "\n",
      "                            \n",
      "                            <!--[if IE]><input type=\"text\" style=\"display: none;\" disabled=\"disabled\" size=\"1\" tabindex=\"4\"><![endif]-->\n",
      "\n",
      "                        </fieldset>\n",
      "                    </form><span class=\"breaker\"></span><div class=\"adjust-font-size\" aria-hidden=\"true\">\n",
      "                        <ul class=\"navigation menu\" aria-label=\"Adjust Text Size on Page\">\n",
      "                            <li class=\"tier-1 last\" aria-haspopup=\"true\">\n",
      "                                <a href=\"#\" class=\"action-trigger\"><strong><small>A</small> A</strong></a>\n",
      "                                <ul class=\"subnav menu\">\n",
      "                                    <li class=\"tier-2 element-1\" role=\"treeitem\"><a class=\"text-shrink\" title=\"Make Text Smaller\" href=\"javascript:;\">Smaller</a></li>\n",
      "                                    <li class=\"tier-2 element-2\" role=\"treeitem\"><a class=\"text-grow\" title=\"Make Text Larger\" href=\"javascript:;\">Larger</a></li>\n",
      "                                    <li class=\"tier-2 element-3\" role=\"treeitem\"><a class=\"text-reset\" title=\"Reset any font size changes I have made\" href=\"javascript:;\">Reset</a></li>\n",
      "                                </ul>\n",
      "                            </li>\n",
      "                        </ul>\n",
      "                    </div><div class=\"winkwink-nudgenudge\">\n",
      "                        <ul class=\"navigation menu\" aria-label=\"Social Media Navigation\">\n",
      "                            <li class=\"tier-1 last\" aria-haspopup=\"true\">\n",
      "                                <a href=\"#\" class=\"action-trigger\">Socialize</a>\n",
      "                                <ul class=\"subnav menu\">\n",
      "                                    <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"http://plus.google.com/+Python\"><span aria-hidden=\"true\" class=\"icon-google-plus\"></span>Google+</a></li>\n",
      "                                    <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"http://www.facebook.com/pythonlang?fref=ts\"><span aria-hidden=\"true\" class=\"icon-facebook\"></span>Facebook</a></li>\n",
      "                                    <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"http://twitter.com/ThePSF\"><span aria-hidden=\"true\" class=\"icon-twitter\"></span>Twitter</a></li>\n",
      "                                    <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/community/irc/\"><span aria-hidden=\"true\" class=\"icon-freenode\"></span>Chat on IRC</a></li>\n",
      "                                </ul>\n",
      "                            </li>\n",
      "                        </ul>\n",
      "                    </div><div class=\"account-signin\">\n",
      "                        <ul class=\"navigation menu\" aria-label=\"Social Media Navigation\">\n",
      "                            <li class=\"tier-1 last\" aria-haspopup=\"true\">\n",
      "                                \n",
      "                                <a href=\"/accounts/login/\" title=\"Sign Up or Sign In to Python.org\">Sign In</a>\n",
      "                                <ul class=\"subnav menu\">\n",
      "                                    <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/accounts/signup/\">Sign Up / Register</a></li>\n",
      "                                    <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/accounts/login/\">Sign In</a></li>\n",
      "                                </ul>\n",
      "                                \n",
      "                            </li>\n",
      "                        </ul>\n",
      "                    </div>\n",
      "\n",
      "                </div><!-- end options-bar -->\n",
      "\n",
      "                <nav id=\"mainnav\" class=\"python-navigation main-navigation do-not-print\" role=\"navigation\">\n",
      "                    \n",
      "                        \n",
      "<ul class=\"navigation menu\" role=\"menubar\" aria-label=\"Main Navigation\">\n",
      "  \n",
      "    \n",
      "    \n",
      "    <li id=\"about\" class=\"tier-1 element-1  \" aria-haspopup=\"true\">\n",
      "        <a href=\"/about/\" title=\"\" class=\"\">About</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\" role=\"menu\" aria-hidden=\"true\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/about/apps/\" title=\"\">Applications</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/about/quotes/\" title=\"\">Quotes</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/about/gettingstarted/\" title=\"\">Getting Started</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/about/help/\" title=\"\">Help</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"http://brochure.getpython.info/\" title=\"\">Python Brochure</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    \n",
      "    \n",
      "    <li id=\"downloads\" class=\"tier-1 element-2  \" aria-haspopup=\"true\">\n",
      "        <a href=\"/downloads/\" title=\"\" class=\"\">Downloads</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\" role=\"menu\" aria-hidden=\"true\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/downloads/\" title=\"\">All releases</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/downloads/source/\" title=\"\">Source code</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/downloads/windows/\" title=\"\">Windows</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/downloads/mac-osx/\" title=\"\">Mac OS X</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"/download/other/\" title=\"\">Other Platforms</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"https://docs.python.org/3/license.html\" title=\"\">License</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-7\" role=\"treeitem\"><a href=\"/download/alternatives\" title=\"\">Alternative Implementations</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    \n",
      "    \n",
      "    <li id=\"documentation\" class=\"tier-1 element-3  \" aria-haspopup=\"true\">\n",
      "        <a href=\"/doc/\" title=\"\" class=\"\">Documentation</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\" role=\"menu\" aria-hidden=\"true\">\n",
      "    \n",
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      "\n",
      "                <div class=\"header-banner \"> <!-- for optional \"do-not-print\" class -->\n",
      "                    \n",
      "        <div id=\"dive-into-python\" class=\"flex-slideshow slideshow\">\n",
      "\n",
      "            <ul class=\"launch-shell menu\" id=\"launch-shell\">\n",
      "                <li>\n",
      "                    <a class=\"button prompt\" id=\"start-shell\" data-shell-container=\"#dive-into-python\" href=\"/shell/\">&gt;_\n",
      "                        <span class=\"message\">Launch Interactive Shell</span>\n",
      "                    </a>\n",
      "                </li>\n",
      "            </ul>\n",
      "\n",
      "            <ul class=\"slides menu\">\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Fibonacci series up to n</span>\n",
      ">>> def fib(n):\n",
      ">>>     a, b = 0, 1\n",
      ">>>     while a &lt; n:\n",
      ">>>         print(a, end=' ')\n",
      ">>>         a, b = b, a+b\n",
      ">>>     print()\n",
      ">>> fib(1000)\n",
      "<span class=\"output\">0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Functions Defined</h1>\n",
      "<p>The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. <a href=\"//docs.python.org/3/tutorial/controlflow.html#defining-functions\">More about defining functions in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: List comprehensions</span>\n",
      ">>> fruits = ['Banana', 'Apple', 'Lime']\n",
      ">>> loud_fruits = [fruit.upper() for fruit in fruits]\n",
      ">>> print(loud_fruits)\n",
      "<span class=\"output\">['BANANA', 'APPLE', 'LIME']</span>\n",
      "\n",
      "<span class=\"comment\"># List and the enumerate function</span>\n",
      ">>> list(enumerate(fruits))\n",
      "<span class=\"output\">[(0, 'Banana'), (1, 'Apple'), (2, 'Lime')]</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Compound Data Types</h1>\n",
      "<p>Lists (known as arrays in other languages) are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. <a href=\"//docs.python.org/3/tutorial/introduction.html#lists\">More about lists in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Simple arithmetic</span>\n",
      ">>> 1 / 2\n",
      "<span class=\"output\">0.5</span>\n",
      ">>> 2 ** 3\n",
      "<span class=\"output\">8</span>\n",
      ">>> 17 / 3  <span class=\"comment\"># classic division returns a float</span>\n",
      "<span class=\"output\">5.666666666666667</span>\n",
      ">>> 17 // 3  <span class=\"comment\"># floor division</span>\n",
      "<span class=\"output\">5</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Intuitive Interpretation</h1>\n",
      "<p>Calculations are simple with Python, and expression syntax is straightforward: the operators <code>+</code>, <code>-</code>, <code>*</code> and <code>/</code> work as expected; parentheses <code>()</code> can be used for grouping. <a href=\"http://docs.python.org/3/tutorial/introduction.html#using-python-as-a-calculator\">More about simple math functions in Python&nbsp;3</a>.</p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Simple output (with Unicode)</span>\n",
      ">>> print(\"Hello, I'm Python!\")\n",
      "<span class=\"output\">Hello, I'm Python!</span>\n",
      "\n",
      "<span class=\"comment\"># Input, assignment</span>\n",
      ">>> name = input('What is your name?\\n')\n",
      ">>> print('Hi, %s.' % name)\n",
      "<span class=\"output\">What is your name?\n",
      "Python\n",
      "Hi, Python.</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Quick &amp; Easy to Learn</h1>\n",
      "<p>Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. <a href=\"//docs.python.org/3/tutorial/\">Whet your appetite</a> with our Python&nbsp;3 overview.</p>\n",
      "                   </div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># For loop on a list</span>\n",
      ">>> numbers = [2, 4, 6, 8]\n",
      ">>> product = 1\n",
      ">>> for number in numbers:\n",
      "...    product = product * number\n",
      "... \n",
      ">>> print('The product is:', product)\n",
      "<span class=\"output\">The product is: 384</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>All the Flow You&rsquo;d Expect</h1>\n",
      "<p>Python knows the usual control flow statements that other languages speak &mdash; <code>if</code>, <code>for</code>, <code>while</code> and <code>range</code> &mdash; with some of its own twists, of course. <a href=\"//docs.python.org/3/tutorial/controlflow.html\">More control flow tools in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
      "                \n",
      "            </ul>\n",
      "        </div>\n",
      "\n",
      "\n",
      "                </div>\n",
      "\n",
      "                \n",
      "        <div class=\"introduction\">\n",
      "            <p>Python is a programming language that lets you work quickly <span class=\"breaker\"></span>and integrate systems more effectively. <a class=\"readmore\" href=\"/doc/\">Learn More</a></p>\n",
      "        </div>\n",
      "\n",
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      "<p>Documentation for Python's standard library, along with tutorials and guides, are available online.</p>\n",
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      "<p>Looking for work or have a Python related position that you're trying to hire for? Our <strong>relaunched community-run job board</strong> is the place to go.</p>\n",
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      " <a href=\"http://feedproxy.google.com/~r/PythonSoftwareFoundationNews/~3/UJLhXUl_Le8/upcoming-pypi-improvements-for-2019.html\">The Python Package Index (PyPI) is far and away the ...</a></li>\n",
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      " <a href=\"http://feedproxy.google.com/~r/PythonSoftwareFoundationNews/~3/HPqp93-tF3M/pypi-security-and-accessibility-q1-2019.html\">Earlier this year we launched a Request for Information (RFI) ...</a></li>\n",
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      " <a href=\"http://feedproxy.google.com/~r/PythonInsider/~3/zUinRORskp0/python-372rc1-and-368rc1-now-available.html\">Python&nbsp;3.7.2rc1&nbsp;and&nbsp;3.6.8rc1&nbsp;are now available. 3.7.2rc1 is the&nbsp;release preview&nbsp;of the next maintenance ...</a></li>\n",
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      " <a href=\"/events/python-events/801/\">PyCon Belarus 2019</a></li>\n",
      "                                \n",
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      "<time datetime=\"2019-02-19T00:00:00+00:00\"><span class=\"say-no-more\">2019-</span>02-19</time>\n",
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      "                                \n",
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      "                            </ul>\n",
      "                        </div>\n",
      "\n",
      "                    </div>\n",
      "\n",
      "                </div>\n",
      "\n",
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      "\n",
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      "                        \n",
      "\n",
      "\n",
      "\n",
      "                        <div class=\"shrubbery\">\n",
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      "\n",
      "                            <h2 class=\"widget-title\"><span aria-hidden=\"true\" class=\"icon-success-stories\"></span>Success Stories</h2>\n",
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      "\n",
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      "\n",
      "                            <blockquote>\n",
      "                                <a href=\"/success-stories/caldintav-python-for-high-speed-railway-bridges/\">D-Link Australia uses Python to control firmware updates performed for warranty services and realizes an eight-fold increase in its upgrade capacity.\n",
      "</a>\n",
      "                            </blockquote>\n",
      "\n",
      "                            <table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"100%\" class=\"quote-from\">\n",
      "                                <tbody>\n",
      "                                    <tr>\n",
      "                                        \n",
      "                                        <td><p><a href=\"/success-stories/caldintav-python-for-high-speed-railway-bridges/\">D-Link Australia Uses Python to Control Firmware Updates</a> <em>by How Wong</em></p></td>\n",
      "                                    </tr>\n",
      "                                </tbody>\n",
      "                            </table>\n",
      "                            </div>\n",
      "                            \n",
      "\n",
      "                        </div><!-- end .shrubbery -->\n",
      "\n",
      "                    </div>\n",
      "\n",
      "                    <div class=\"medium-widget applications-widget last\">\n",
      "                        <div class=\"shrubbery\">\n",
      "                            <h2 class=\"widget-title\"><span aria-hidden=\"true\" class=\"icon-python\"></span>Use Python for&hellip;</h2>\n",
      "<p class=\"give-me-more\"><a href=\"/about/apps\" title=\"More Applications\">More</a></p>\n",
      "\n",
      "<ul class=\"menu\">\n",
      "    <li><b>Web Development</b>:\n",
      "        <span class=\"tag-wrapper\"><a class=\"tag\" href=\"http://www.djangoproject.com/\">Django</a>, <a class=\"tag\" href=\"http://www.pylonsproject.org/\">Pyramid</a>, <a class=\"tag\" href=\"http://bottlepy.org\">Bottle</a>, <a class=\"tag\" href=\"http://tornadoweb.org\">Tornado</a>, <a href=\"http://flask.pocoo.org/\" class=\"tag\">Flask</a>, <a class=\"tag\" href=\"http://www.web2py.com/\">web2py</a></span></li>\n",
      "    <li><b>GUI Development</b>:\n",
      "        <span class=\"tag-wrapper\"><a class=\"tag\" href=\"http://wiki.python.org/moin/TkInter\">tkInter</a>, <a class=\"tag\" href=\"https://wiki.gnome.org/Projects/PyGObject\">PyGObject</a>, <a class=\"tag\" href=\"http://www.riverbankcomputing.co.uk/software/pyqt/intro\">PyQt</a>, <a class=\"tag\" href=\"https://wiki.qt.io/PySide\">PySide</a>, <a class=\"tag\" href=\"https://kivy.org/\">Kivy</a>, <a class=\"tag\" href=\"http://www.wxpython.org/\">wxPython</a></span></li>\n",
      "    <li><b>Scientific and Numeric</b>:\n",
      "        <span class=\"tag-wrapper\">\n",
      "<a class=\"tag\" href=\"http://www.scipy.org\">SciPy</a>, <a class=\"tag\" href=\"http://pandas.pydata.org/\">Pandas</a>, <a href=\"http://ipython.org\" class=\"tag\">IPython</a></span></li>\n",
      "    <li><b>Software Development</b>:\n",
      "        <span class=\"tag-wrapper\"><a class=\"tag\" href=\"http://buildbot.net/\">Buildbot</a>, <a class=\"tag\" href=\"http://trac.edgewall.org/\">Trac</a>, <a class=\"tag\" href=\"http://roundup.sourceforge.net/\">Roundup</a></span></li>\n",
      "    <li><b>System Administration</b>:\n",
      "        <span class=\"tag-wrapper\"><a class=\"tag\" href=\"http://www.ansible.com\">Ansible</a>, <a class=\"tag\" href=\"http://www.saltstack.com\">Salt</a>, <a class=\"tag\" href=\"https://www.openstack.org\">OpenStack</a></span></li>\n",
      "</ul>\n",
      "\n",
      "                        </div><!-- end .shrubbery -->\n",
      "                    </div>\n",
      "\n",
      "                </div>\n",
      "\n",
      "                \n",
      "                <div class=\"pep-widget\">\n",
      "\n",
      "                    <h2 class=\"widget-title\">\n",
      "                        <span class=\"prompt\">&gt;&gt;&gt;</span> <a href=\"/dev/peps/\">Python Enhancement Proposals<span class=\"say-no-more\"> (PEPs)</span></a>: The future of Python<span class=\"say-no-more\"> is discussed here.</span>\n",
      "                        <a aria-hidden=\"true\" class=\"rss-link\" href=\"/dev/peps/peps.rss\"><span class=\"icon-feed\"></span> RSS</a>\n",
      "                    </h2>\n",
      "\n",
      "\n",
      "                    \n",
      "                    \n",
      "                </div>\n",
      "\n",
      "                                <div class=\"psf-widget\">\n",
      "\n",
      "                    <div class=\"python-logo\"></div>\n",
      "                    \n",
      "                    <h2 class=\"widget-title\">\n",
      "    <span class=\"prompt\">&gt;&gt;&gt;</span> <a href=\"/psf/\">Python Software Foundation</a>\n",
      "</h2>\n",
      "<p>The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of a diverse and international community of Python programmers. <a class=\"readmore\" href=\"/psf/\">Learn more</a> </p>\n",
      "<p class=\"click-these\">\n",
      "    <a class=\"button\" href=\"/users/membership/\">Become a Member</a>\n",
      "    <a class=\"button\" href=\"/psf/donations/\">Donate to the PSF</a>\n",
      "</p>\n",
      "                </div>\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "                </section>\n",
      "\n",
      "                \n",
      "                \n",
      "\n",
      "                \n",
      "                \n",
      "\n",
      "\n",
      "            </div><!-- end .container -->\n",
      "        </div><!-- end #content .content-wrapper -->\n",
      "\n",
      "        <!-- Footer and social media list -->\n",
      "        <footer id=\"site-map\" class=\"main-footer\" role=\"contentinfo\">\n",
      "            <div class=\"main-footer-links\">\n",
      "                <div class=\"container\">\n",
      "\n",
      "                    \n",
      "                    <a id=\"back-to-top-1\" class=\"jump-link\" href=\"#python-network\"><span aria-hidden=\"true\" class=\"icon-arrow-up\"><span>&#9650;</span></span> Back to Top</a>\n",
      "\n",
      "                    \n",
      "\n",
      "<ul class=\"sitemap navigation menu do-not-print\" role=\"tree\" id=\"container\">\n",
      "    \n",
      "    <li class=\"tier-1 element-1\">\n",
      "        <a href=\"/about/\" >About</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/about/apps/\" title=\"\">Applications</a></li>\n",
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      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/about/quotes/\" title=\"\">Quotes</a></li>\n",
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      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/about/gettingstarted/\" title=\"\">Getting Started</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/about/help/\" title=\"\">Help</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"http://brochure.getpython.info/\" title=\"\">Python Brochure</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-2\">\n",
      "        <a href=\"/downloads/\" >Downloads</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/downloads/\" title=\"\">All releases</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/downloads/source/\" title=\"\">Source code</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/downloads/windows/\" title=\"\">Windows</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/downloads/mac-osx/\" title=\"\">Mac OS X</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"/download/other/\" title=\"\">Other Platforms</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"https://docs.python.org/3/license.html\" title=\"\">License</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-7\" role=\"treeitem\"><a href=\"/download/alternatives\" title=\"\">Alternative Implementations</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-3\">\n",
      "        <a href=\"/doc/\" >Documentation</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/doc/\" title=\"\">Docs</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/doc/av\" title=\"\">Audio/Visual Talks</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/BeginnersGuide\" title=\"\">Beginner&#39;s Guide</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"https://devguide.python.org/\" title=\"\">Developer&#39;s Guide</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"https://docs.python.org/faq/\" title=\"\">FAQ</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"http://wiki.python.org/moin/Languages\" title=\"\">Non-English Docs</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-7\" role=\"treeitem\"><a href=\"http://python.org/dev/peps/\" title=\"\">PEP Index</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-8\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/PythonBooks\" title=\"\">Python Books</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-9\" role=\"treeitem\"><a href=\"/doc/essays/\" title=\"\">Python Essays</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-4\">\n",
      "        <a href=\"/community/\" >Community</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/community/survey\" title=\"\">Community Survey</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/community/diversity/\" title=\"\">Diversity</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/community/lists/\" title=\"\">Mailing Lists</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/community/irc/\" title=\"\">IRC</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"/community/forums/\" title=\"\">Forums</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"/community/workshops/\" title=\"\">Python Conferences</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-7\" role=\"treeitem\"><a href=\"/community/sigs/\" title=\"\">Special Interest Groups</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-8\" role=\"treeitem\"><a href=\"/community/logos/\" title=\"\">Python Logo</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-9\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/\" title=\"\">Python Wiki</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-10\" role=\"treeitem\"><a href=\"/community/merchandise/\" title=\"\">Merchandise</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-11\" role=\"treeitem\"><a href=\"/community/awards\" title=\"\">Community Awards</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-12\" role=\"treeitem\"><a href=\"https://www.python.org/psf/codeofconduct/\" title=\"\">Code of Conduct</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-5\">\n",
      "        <a href=\"/success-stories/\" title=\"success-stories\">Success Stories</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/success-stories/category/arts/\" title=\"\">Arts</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/success-stories/category/business/\" title=\"\">Business</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/success-stories/category/education/\" title=\"\">Education</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/success-stories/category/engineering/\" title=\"\">Engineering</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"/success-stories/category/government/\" title=\"\">Government</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"/success-stories/category/scientific/\" title=\"\">Scientific</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-7\" role=\"treeitem\"><a href=\"/success-stories/category/software-development/\" title=\"\">Software Development</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-6\">\n",
      "        <a href=\"/blogs/\" title=\"News from around the Python world\">News</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/blogs/\" title=\"Python Insider Blog Posts\">Python News</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"http://planetpython.org/\" title=\"Planet Python\">Community News</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"http://pyfound.blogspot.com/\" title=\"PSF Blog\">PSF News</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"http://pycon.blogspot.com/\" title=\"PyCon Blog\">PyCon News</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-7\">\n",
      "        <a href=\"/events/\" >Events</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/events/python-events\" title=\"\">Python Events</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/events/python-user-group/\" title=\"\">User Group Events</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/events/python-events/past/\" title=\"\">Python Events Archive</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/events/python-user-group/past/\" title=\"\">User Group Events Archive</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/PythonEventsCalendar#Submitting_an_Event\" title=\"\">Submit an Event</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-8\">\n",
      "        <a href=\"/dev/\" >Contributing</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
      "    \n",
      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"https://devguide.python.org/\" title=\"\">Developer&#39;s Guide</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"https://bugs.python.org/\" title=\"\">Issue Tracker</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"https://mail.python.org/mailman/listinfo/python-dev\" title=\"\">python-dev list</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/dev/core-mentorship/\" title=\"\">Core Mentorship</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "\n",
      "                    <a id=\"back-to-top-2\" class=\"jump-link\" href=\"#python-network\"><span aria-hidden=\"true\" class=\"icon-arrow-up\"><span>&#9650;</span></span> Back to Top</a>\n",
      "                    \n",
      "\n",
      "                </div><!-- end .container -->\n",
      "            </div> <!-- end .main-footer-links -->\n",
      "\n",
      "            <div class=\"site-base\">\n",
      "                <div class=\"container\">\n",
      "                    \n",
      "                    <ul class=\"footer-links navigation menu do-not-print\" role=\"tree\">\n",
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      "                            <a href=\"https://status.python.org/\">Status <span class=\"python-status-indicator-default\" id=\"python-status-indicator\"></span></a>\n",
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      "\n",
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      "                        <p><small>\n",
      "                            <span class=\"pre\">Copyright &copy;2001-2018.</span>\n",
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      "                            &nbsp;<span class=\"pre\"><a href=\"/privacy/\">Privacy Policy</a></span>\n",
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      "                        </small></p>\n",
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      "\n",
      "                </div><!-- end .container -->\n",
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      "\n",
      "        </footer>\n",
      "\n",
      "    </div><!-- end #touchnav-wrapper -->\n",
      "\n",
      "    \n",
      "    <script src=\"//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js\"></script>\n",
      "    <script>window.jQuery || document.write('<script src=\"/static/js/libs/jquery-1.8.2.min.js\"><\\/script>')</script>\n",
      "\n",
      "    <script src=\"/static/js/libs/masonry.pkgd.min.js\"></script>\n",
      "\n",
      "    <script type=\"text/javascript\" src=\"/static/js/main-min.js\" charset=\"utf-8\"></script>\n",
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      "\n",
      "    <!--[if lte IE 7]>\n",
      "    <script type=\"text/javascript\" src=\"/static/js/plugins/IE8-min.js\" charset=\"utf-8\"></script>\n",
      "    \n",
      "    \n",
      "    <![endif]-->\n",
      "\n",
      "    <!--[if lte IE 8]>\n",
      "    <script type=\"text/javascript\" src=\"/static/js/plugins/getComputedStyle-min.js\" charset=\"utf-8\"></script>\n",
      "    \n",
      "    \n",
      "    <![endif]-->\n",
      "\n",
      "    \n",
      "\n",
      "    \n",
      "    \n",
      "\n",
      "</body>\n",
      "</html>\n",
      "\n"
     ]
    }
   ],
   "source": [
    "import urllib.request\n",
    "res=urllib.request.urlopen('https://www.python.org')\n",
    "print(res.read().decode('utf-8'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<!doctype html>\n",
      "<!--[if lt IE 7]>   <html class=\"no-js ie6 lt-ie7 lt-ie8 lt-ie9\">   <![endif]-->\n",
      "<!--[if IE 7]>      <html class=\"no-js ie7 lt-ie8 lt-ie9\">          <![endif]-->\n",
      "<!--[if IE 8]>      <html class=\"no-js ie8 lt-ie9\">                 <![endif]-->\n",
      "<!--[if gt IE 8]><!--><html class=\"no-js\" lang=\"en\" dir=\"ltr\">  <!--<![endif]-->\n",
      "\n",
      "<head>\n",
      "    <meta charset=\"utf-8\">\n",
      "    <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\">\n",
      "\n",
      "    <link rel=\"prefetch\" href=\"//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js\">\n",
      "\n",
      "    <meta name=\"application-name\" content=\"Python.org\">\n",
      "    <meta name=\"msapplication-tooltip\" content=\"The official home of the Python Programming Language\">\n",
      "    <meta name=\"apple-mobile-web-app-title\" content=\"Python.org\">\n",
      "    <meta name=\"apple-mobile-web-app-capable\" content=\"yes\">\n",
      "    <meta name=\"apple-mobile-web-app-status-bar-style\" content=\"black\">\n",
      "\n",
      "    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n",
      "    <meta name=\"HandheldFriendly\" content=\"True\">\n",
      "    <meta name=\"format-detection\" content=\"telephone=no\">\n",
      "    <meta http-equiv=\"cleartype\" content=\"on\">\n",
      "    <meta http-equiv=\"imagetoolbar\" content=\"false\">\n",
      "\n",
      "    <script src=\"/static/js/libs/modernizr.js\"></script>\n",
      "\n",
      "    <link href=\"/static/stylesheets/style.css\" rel=\"stylesheet\" type=\"text/css\" title=\"default\" />\n",
      "    <link href=\"/static/stylesheets/mq.css\" rel=\"stylesheet\" type=\"text/css\" media=\"not print, braille, embossed, speech, tty\" />\n",
      "    \n",
      "\n",
      "    <!--[if (lte IE 8)&(!IEMobile)]>\n",
      "    <link href=\"/static/stylesheets/no-mq.css\" rel=\"stylesheet\" type=\"text/css\" media=\"screen\" />\n",
      "    \n",
      "    \n",
      "    <![endif]-->\n",
      "\n",
      "    \n",
      "    <link rel=\"icon\" type=\"image/x-icon\" href=\"/static/favicon.ico\">\n",
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      "    </li>\n",
      "    \n",
      "    \n",
      "    \n",
      "    \n",
      "  \n",
      "</ul>\n",
      "\n",
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      "\n",
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      "        <div id=\"dive-into-python\" class=\"flex-slideshow slideshow\">\n",
      "\n",
      "            <ul class=\"launch-shell menu\" id=\"launch-shell\">\n",
      "                <li>\n",
      "                    <a class=\"button prompt\" id=\"start-shell\" data-shell-container=\"#dive-into-python\" href=\"/shell/\">&gt;_\n",
      "                        <span class=\"message\">Launch Interactive Shell</span>\n",
      "                    </a>\n",
      "                </li>\n",
      "            </ul>\n",
      "\n",
      "            <ul class=\"slides menu\">\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Fibonacci series up to n</span>\n",
      ">>> def fib(n):\n",
      ">>>     a, b = 0, 1\n",
      ">>>     while a &lt; n:\n",
      ">>>         print(a, end=' ')\n",
      ">>>         a, b = b, a+b\n",
      ">>>     print()\n",
      ">>> fib(1000)\n",
      "<span class=\"output\">0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Functions Defined</h1>\n",
      "<p>The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists. <a href=\"//docs.python.org/3/tutorial/controlflow.html#defining-functions\">More about defining functions in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: List comprehensions</span>\n",
      ">>> fruits = ['Banana', 'Apple', 'Lime']\n",
      ">>> loud_fruits = [fruit.upper() for fruit in fruits]\n",
      ">>> print(loud_fruits)\n",
      "<span class=\"output\">['BANANA', 'APPLE', 'LIME']</span>\n",
      "\n",
      "<span class=\"comment\"># List and the enumerate function</span>\n",
      ">>> list(enumerate(fruits))\n",
      "<span class=\"output\">[(0, 'Banana'), (1, 'Apple'), (2, 'Lime')]</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Compound Data Types</h1>\n",
      "<p>Lists (known as arrays in other languages) are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. <a href=\"//docs.python.org/3/tutorial/introduction.html#lists\">More about lists in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Simple arithmetic</span>\n",
      ">>> 1 / 2\n",
      "<span class=\"output\">0.5</span>\n",
      ">>> 2 ** 3\n",
      "<span class=\"output\">8</span>\n",
      ">>> 17 / 3  <span class=\"comment\"># classic division returns a float</span>\n",
      "<span class=\"output\">5.666666666666667</span>\n",
      ">>> 17 // 3  <span class=\"comment\"># floor division</span>\n",
      "<span class=\"output\">5</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Intuitive Interpretation</h1>\n",
      "<p>Calculations are simple with Python, and expression syntax is straightforward: the operators <code>+</code>, <code>-</code>, <code>*</code> and <code>/</code> work as expected; parentheses <code>()</code> can be used for grouping. <a href=\"http://docs.python.org/3/tutorial/introduction.html#using-python-as-a-calculator\">More about simple math functions in Python&nbsp;3</a>.</p></div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># Python 3: Simple output (with Unicode)</span>\n",
      ">>> print(\"Hello, I'm Python!\")\n",
      "<span class=\"output\">Hello, I'm Python!</span>\n",
      "\n",
      "<span class=\"comment\"># Input, assignment</span>\n",
      ">>> name = input('What is your name?\\n')\n",
      ">>> print('Hi, %s.' % name)\n",
      "<span class=\"output\">What is your name?\n",
      "Python\n",
      "Hi, Python.</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>Quick &amp; Easy to Learn</h1>\n",
      "<p>Experienced programmers in any other language can pick up Python very quickly, and beginners find the clean syntax and indentation structure easy to learn. <a href=\"//docs.python.org/3/tutorial/\">Whet your appetite</a> with our Python&nbsp;3 overview.</p>\n",
      "                   </div>\n",
      "                </li>\n",
      "                \n",
      "                <li>\n",
      "                    <div class=\"slide-code\"><pre><code><span class=\"comment\"># For loop on a list</span>\n",
      ">>> numbers = [2, 4, 6, 8]\n",
      ">>> product = 1\n",
      ">>> for number in numbers:\n",
      "...    product = product * number\n",
      "... \n",
      ">>> print('The product is:', product)\n",
      "<span class=\"output\">The product is: 384</span></code></pre></div>\n",
      "                    <div class=\"slide-copy\"><h1>All the Flow You&rsquo;d Expect</h1>\n",
      "<p>Python knows the usual control flow statements that other languages speak &mdash; <code>if</code>, <code>for</code>, <code>while</code> and <code>range</code> &mdash; with some of its own twists, of course. <a href=\"//docs.python.org/3/tutorial/controlflow.html\">More control flow tools in Python&nbsp;3</a></p></div>\n",
      "                </li>\n",
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      "                                        <td><p><a href=\"/success-stories/caldintav-python-for-high-speed-railway-bridges/\">D-Link Australia Uses Python to Control Firmware Updates</a> <em>by How Wong</em></p></td>\n",
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      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/BeginnersGuide\" title=\"\">Beginner&#39;s Guide</a></li>\n",
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      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
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      "        <a href=\"/community/\" >Community</a>\n",
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      "        <li class=\"tier-2 element-10\" role=\"treeitem\"><a href=\"/community/merchandise/\" title=\"\">Merchandise</a></li>\n",
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      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-5\">\n",
      "        <a href=\"/success-stories/\" title=\"success-stories\">Success Stories</a>\n",
      "        \n",
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      "\n",
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      "        <li class=\"tier-2 element-1\" role=\"treeitem\"><a href=\"/success-stories/category/arts/\" title=\"\">Arts</a></li>\n",
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      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"/success-stories/category/business/\" title=\"\">Business</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-3\" role=\"treeitem\"><a href=\"/success-stories/category/education/\" title=\"\">Education</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/success-stories/category/engineering/\" title=\"\">Engineering</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"/success-stories/category/government/\" title=\"\">Government</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-6\" role=\"treeitem\"><a href=\"/success-stories/category/scientific/\" title=\"\">Scientific</a></li>\n",
      "    \n",
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      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-6\">\n",
      "        <a href=\"/blogs/\" title=\"News from around the Python world\">News</a>\n",
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      "<ul class=\"subnav menu\">\n",
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      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
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      "    <li class=\"tier-1 element-7\">\n",
      "        <a href=\"/events/\" >Events</a>\n",
      "        \n",
      "            \n",
      "\n",
      "<ul class=\"subnav menu\">\n",
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      "    \n",
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      "    \n",
      "        <li class=\"tier-2 element-4\" role=\"treeitem\"><a href=\"/events/python-user-group/past/\" title=\"\">User Group Events Archive</a></li>\n",
      "    \n",
      "        <li class=\"tier-2 element-5\" role=\"treeitem\"><a href=\"https://wiki.python.org/moin/PythonEventsCalendar#Submitting_an_Event\" title=\"\">Submit an Event</a></li>\n",
      "    \n",
      "</ul>\n",
      "\n",
      "        \n",
      "    </li>\n",
      "    \n",
      "    <li class=\"tier-1 element-8\">\n",
      "        <a href=\"/dev/\" >Contributing</a>\n",
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      "    \n",
      "        <li class=\"tier-2 element-2\" role=\"treeitem\"><a href=\"https://bugs.python.org/\" title=\"\">Issue Tracker</a></li>\n",
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      "</ul>\n",
      "\n",
      "        \n",
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      "</ul>\n",
      "\n",
      "\n",
      "                    <a id=\"back-to-top-2\" class=\"jump-link\" href=\"#python-network\"><span aria-hidden=\"true\" class=\"icon-arrow-up\"><span>&#9650;</span></span> Back to Top</a>\n",
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      "\n",
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      "\n",
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      "\n",
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      "\n",
      "    <!--[if lte IE 8]>\n",
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      "    \n",
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      "    <![endif]-->\n",
      "\n",
      "    \n",
      "\n",
      "    \n",
      "    \n",
      "\n",
      "</body>\n",
      "</html>\n",
      "\n"
     ]
    }
   ],
   "source": [
    "# Request\n",
    "import urllib.request\n",
    "req=urllib.request.Request('https://python.org')\n",
    "res = urllib.request.urlopen(req)\n",
    "print(res.read().decode('utf-8'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{\n",
      "  \"args\": {}, \n",
      "  \"data\": \"\", \n",
      "  \"files\": {}, \n",
      "  \"form\": {\n",
      "    \"name\": \"anjun\"\n",
      "  }, \n",
      "  \"headers\": {\n",
      "    \"Accept-Encoding\": \"identity\", \n",
      "    \"Connection\": \"close\", \n",
      "    \"Content-Length\": \"10\", \n",
      "    \"Content-Type\": \"application/x-www-form-urlencoded\", \n",
      "    \"Host\": \"httpbin.org\", \n",
      "    \"User-Agent\": \"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36\"\n",
      "  }, \n",
      "  \"json\": null, \n",
      "  \"origin\": \"125.68.7.204\", \n",
      "  \"url\": \"http://httpbin.org/post\"\n",
      "}\n",
      "\n"
     ]
    }
   ],
   "source": [
    "from urllib import request,parse\n",
    "url = 'http://httpbin.org/post'\n",
    "headers={\n",
    "    'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36 ',\n",
    "    'Host':'httpbin.org'\n",
    "}\n",
    "dict={'name':'anjun'}\n",
    "data=bytes(parse.urlencode(dict),encoding='utf8')\n",
    "req= request.Request(url=url,data=data,headers=headers,method='POST')\n",
    "# req.add_header('Ueser-Agent','')\n",
    "res=request.urlopen(req)\n",
    "print(res.read().decode('utf-8'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
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     ]
    }
   ],
   "source": [
    "#代理\n",
    "import urllib.request\n",
    "proxy_handler=urllib.request.ProxyHandler({\n",
    "    'http':'http://127.0.0.1:31111',\n",
    "    'https':'https://127.0.0.1:31111'\n",
    "})\n",
    "opener =urllib.request.build_opener(proxy_handler)\n",
    "res=opener.open('http://www.google.com')\n",
    "print(res.read().decode('utf-8',\"ignore\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "BAIDUID=C714660B67908F9DE8A9ACEBFF6D48B1:FG=1\n",
      "BIDUPSID=C714660B67908F9DE8A9ACEBFF6D48B1\n",
      "H_PS_PSSID=1441_21126_18559_28131_26350_27750_28140\n",
      "PSTM=1545384671\n",
      "delPer=0\n",
      "BDSVRTM=0\n",
      "BD_HOME=0\n"
     ]
    }
   ],
   "source": [
    "# cookie\n",
    "import http.cookiejar,urllib.request\n",
    "cookie=http.cookiejar.CookieJar()\n",
    "handler=urllib.request.HTTPCookieProcessor(cookie)\n",
    "opener=urllib.request.build_opener(handler)\n",
    "res =opener.open('http://www.baidu.com')\n",
    "for item in cookie:\n",
    "    print(item.name+'='+item.value)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [],
   "source": [
    "# cookie save to file\n",
    "import http.cookiejar,urllib.request\n",
    "filename='cookie.txt'\n",
    "cookie=http.cookiejar.MozillaCookieJar(filename)\n",
    "# cookie=http.cookiejar.LWPCookieJar(filename)\n",
    "handler=urllib.request.HTTPCookieProcessor(cookie)\n",
    "opener=urllib.request.build_opener(handler)\n",
    "res=opener.open('http://www.baidu.com')\n",
    "cookie.save(ignore_discard=True,ignore_expires=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#cookie load\n",
    "import http.cookiejar,urllib.request\n",
    "filename='cookie.txt'\n",
    "cookie=http.cookiejar.MozillaCookieJar()\n",
    "cookie.load(filename,ignore_discard=True,ignore_expires=True)\n",
    "handler=urllib.request.HTTPCookieProcessor(cookie)\n",
    "opener=urllib.request.build_opener(handler)\n",
    "res=opener.open('http://www.baidu.com')\n",
    "cookie.save(ignore_discard=True,ignore_expires=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Request Successfully\n"
     ]
    }
   ],
   "source": [
    "# 异常处理\n",
    "from urllib import error ,request\n",
    "try:\n",
    "    res = request.urlopen('https://www.anjun.vip')\n",
    "except error.HTTPError as e:\n",
    "    print(e.reason,e.code,e.headers,sep='\\n')\n",
    "except error.URLError as e:\n",
    "    print(e.reason)    \n",
    "else:\n",
    "    print('Request Successfully')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# url解析"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'urllib.parse.ParseResult'> ParseResult(scheme='http', netloc='www.baidu.com', path='/index.html', params='user', query='id=5', fragment='comment')\n"
     ]
    }
   ],
   "source": [
    "from urllib.parse import urlparse\n",
    "result= urlparse('http://www.baidu.com/index.html;user?id=5#comment')\n",
    "print(type(result),result)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "http://www.baidu.com/index.html;user?a=5#comment\n"
     ]
    }
   ],
   "source": [
    "#urlunparse\n",
    "from urllib.parse import urlunparse\n",
    "data=['http','www.baidu.com','index.html','user','a=5','comment']\n",
    "print(urlunparse(data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "https://www.anjun.vip/about\n"
     ]
    }
   ],
   "source": [
    "# urljoin\n",
    "from urllib.parse import urljoin\n",
    "print(urljoin('https://www.anjun.vip','about'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "http://www.anjun.vip?name=anjun&age=99\n"
     ]
    }
   ],
   "source": [
    "#urlencode\n",
    "from urllib.parse import urlencode\n",
    "params={\n",
    "    'name':'anjun',\n",
    "    'age':99\n",
    "}\n",
    "base_url='http://www.anjun.vip?'\n",
    "url=base_url+urlencode(params)\n",
    "print(url)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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