1- Fundamentals/057/Main 57.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# <span style='color:green;'>Exercise 057</span>\n",
    "<span style='color:red'>Functional Programming</span><br><br>\n",
    "<span>Map & Filter</span><br>\n",
    "<span style='display:none;'>Copyright All Rights Reserved Ramin Saljoughinejad</span>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n",
      "16\n",
      "9\n",
      "36\n",
      "49\n"
     ]
    }
   ],
   "source": [
    "def powerBy2(x):\n",
    "    return x**2\n",
    "\n",
    "myNumbers = [2,4,3,6,7]\n",
    "\n",
    "for item in myNumbers:\n",
    "    print(powerBy2(item))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[4, 16, 9, 36, 49]\n"
     ]
    }
   ],
   "source": [
    "def powerBy2(x):\n",
    "    return x**2\n",
    "\n",
    "myNumbers = [2,4,3,6,7]\n",
    "\n",
    "print(list(map(powerBy2,myNumbers)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[4, 16, 9, 36, 49]\n"
     ]
    }
   ],
   "source": [
    "print(list(map(lambda x:x**2, myNumbers)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "ename": "TypeError",
     "evalue": "unsupported operand type(s) for /: 'str' and 'int'",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[0;32m<ipython-input-4-d8365cf5291c>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0mmyNumbers\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m{\u001b[0m\u001b[0;34m\"Tom\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Micheal\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"John\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m7\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Rose\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m10\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 6\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlist\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mmap\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0maddHalf\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmyNumbers\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[0;32m<ipython-input-4-d8365cf5291c>\u001b[0m in \u001b[0;36maddHalf\u001b[0;34m(x)\u001b[0m\n\u001b[1;32m      1\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0maddHalf\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mx\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m     \u001b[0;32mreturn\u001b[0m \u001b[0mx\u001b[0m\u001b[0;34m+\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mx\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      3\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m \u001b[0mmyNumbers\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m{\u001b[0m\u001b[0;34m\"Tom\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Micheal\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"John\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m7\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Rose\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;36m10\u001b[0m\u001b[0;34m}\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
      "\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for /: 'str' and 'int'"
     ]
    }
   ],
   "source": [
    "def addHalf(x):\n",
    "    return x+(x/2)\n",
    "\n",
    "myNumbers = {\"Tom\":3, \"Micheal\":5, \"John\":7, \"Rose\":10}\n",
    "\n",
    "print(list(map(addHalf, myNumbers)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[4.5, 7.5, 10.5, 15.0]\n"
     ]
    }
   ],
   "source": [
    "def addHalf(x):\n",
    "    x = myNumbers[x]\n",
    "    return x+(x/2)\n",
    "\n",
    "myNumbers = {\"Tom\":3, \"Micheal\":5, \"John\":7, \"Rose\":10}\n",
    "\n",
    "print(list(map(addHalf, myNumbers)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[2.6666666666666665, 6.666666666666667, 4.0, 8.0, 12.0, 20.0]\n"
     ]
    }
   ],
   "source": [
    "def addoneThird(x):\n",
    "    return x+(x/3)\n",
    "\n",
    "myNumbers = (2,5,3,6,9,15)\n",
    "\n",
    "print(list(map(addoneThird,myNumbers)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[4.0, 8.0, 12.0, 20.0]\n"
     ]
    }
   ],
   "source": [
    "print(list(map(addoneThird,myNumbers[2:])))"
   ]
  }
,  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<div style='width:178px;float:right;'>\n",
    "<a style='text-decoration:none;color:white;background-color:green;padding:10px 16px 10px 16px;float:left;border-top-left-radius:15px;border-bottom-left-radius:15px;' href='../056/Main 56.ipynb'>Previous</a>\n",
    "<a style='text-decoration:none;color:white;background-color:green;padding:10px 30px 10px 30px;float:right;border-top-right-radius:15px;border-bottom-right-radius:15px;' href='../058/Main 58.ipynb'>Next</a>\n",
    "</div>"
   ]
  }
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