Module 3

Author: keshavsingh4522

GeeksForGeeks/Fork Python/Module 3.ipynb

@@ -0,0 +1,129 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "+ ***str.strip()*** here to truncate all space lines\n",
+    "+ ***str.find(istr)*** to return 0 based index of the matched substring, else -1\n",
+    "+ ***str.title()*** to capitalize the first letter\n",
+    "+ ***str.swapcase()*** to swap the cases of lower to upper and upper to lower"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 13,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "s='Gf'\n",
+    "s.lower().find('gfg')==0 and s.lower().find('gfg',len(s)-3)==len(s)-3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "8"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "s.lower().find('gfg',len(s)-3)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "8"
+      ]
+     },
+     "execution_count": 9,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(s)-3"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "re.compile(r'^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[@$!%*#?&])[A-Za-z\\d@$!#%*?&]{6,20}$',\n",
+       "re.UNICODE)"
+      ]
+     },
+     "execution_count": 14,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "import re\n",
+    "reg = \"^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[@$!%*#?&])[A-Za-z\\d@$!#%*?&]{6,20}$\"\n",
+    "      \n",
+    "pat = re.compile(reg)\n",
+    "\n",
+    "pat"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}