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 "metadata": {
  "name": "",
  "signature": "sha256:9c21d1f44f5f11828308d4a5b6ab2316e8a5d933b04912def7dc67cfcb9dbaea"
 },
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 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 6 - Nested if Statements and Logical Operators"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "example 6.1, page no. 125"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "print \"Enter your age: \",\n",
      "age = int(raw_input())\n",
      "print \"Are you a citizen (Y/N): \",\n",
      "choice = raw_input()\n",
      "if (choice == 'Y'):\n",
      "    citizen = True\n",
      "else:\n",
      "    citizen = False\n",
      "if (age >= 18):\n",
      "    if citizen:\n",
      "        print \"You are eligible to vote\"\n",
      "    else:\n",
      "        print \"You are not eligible to vote\"\n",
      "else:\n",
      "    print \"You are not eligible to vote\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your age: "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "65\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " Are you a citizen (Y/N): "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Y\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " You are eligible to vote\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "example 6.2, page no. 127"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "print \"Enter your age: \",\n",
      "age = int(raw_input())\n",
      "if (age > 12):\n",
      "    if (age >= 65):\n",
      "        print \"Admission is free\"\n",
      "    else:\n",
      "        print \"You have to pay\"\n",
      "else:\n",
      "    print \"Admission is free\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your age: "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "11\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " Admission is free\n"
       ]
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "example 6.3, page no. 129"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "print \"Enter your age: \",\n",
      "age = int(raw_input())\n",
      "print \"Are you a citizen (Y/N): \",\n",
      "choice = raw_input()\n",
      "if (choice == 'Y'):\n",
      "    citizen = True\n",
      "else:\n",
      "    citizen = False\n",
      "if (age >= 18 and citizen == True):\n",
      "    print \"You are eligible to vote\"\n",
      "else:\n",
      "    print \"You are not eligible to vote\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " Enter your age: "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "22\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " Are you a citizen (Y/N): "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "N\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " You are not eligible to vote\n"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "example 6.4, page no. 131"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "print \"Enter your age: \",\n",
      "age = int(raw_input())\n",
      "if (age <= 12 or age >= 65):\n",
      "    print \"Admission is free\"\n",
      "else:\n",
      "    print \"You have to pay\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your age: "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "22\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " You have to pay\n"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "example 6.5, page no. 132"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "print \"Enter your age: \",\n",
      "age = int(raw_input())\n",
      "if not ((age > 12 and age < 65)):\n",
      "    print \"Admission is free\"\n",
      "else:\n",
      "    print \"You have to pay\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your age: "
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "22\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " You have to pay\n"
       ]
      }
     ],
     "prompt_number": 9
    }
   ],
   "metadata": {}
  }
 ]
}