{
 "metadata": {
  "name": "",
  "signature": "sha256:6a166cd5bc555687c7e5271b8e9483765eadd38f5e9c5bfca7169a4ded24b03b"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "CHAPTER 2: THE DECISION CONTROL STRUCTURE"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "EXAMPLE ON PAGE-45"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter a number less than 10\"\n",
      "num=eval(raw_input())                                #Inputs float variables #you can also input float variables using input()\n",
      "if num<10:\n",
      "    print \"What an obedient servant you are !\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter a number less than 10\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "5\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "What an obedient servant you are !\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.1: Page-47"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter quantity and rate\"\n",
      "qty=eval(raw_input())                               #Inputs float variables\n",
      "rate=eval(raw_input())\n",
      "dis=0\n",
      "if qty>1000:\n",
      "    dis=10\n",
      "tot=(qty*rate)-(qty*rate*dis/100)\n",
      "print \"Total expenses=Rs.\" ,tot"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter quantity and rate\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1200\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "15.50\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Total expenses=Rs. 16740.0\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.2: Page-49"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter current year and year of joining\"\n",
      "cy=eval(raw_input())\n",
      "yoj=eval(raw_input())\n",
      "yos=cy-yoj\n",
      "if yos>3:\n",
      "    bonus=2500\n",
      "    print \"Bonus=Rs.\" ,bonus"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter current year and year of joining\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "2014\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "2009\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Bonus=Rs. 2500\n"
       ]
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.3: Page-51"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter basic salary\"\n",
      "bs=eval(raw_input())\n",
      "if bs<1500:\n",
      "    hra=bs*10/100\n",
      "    da=bs*90/100\n",
      "else:\n",
      "    hra=500\n",
      "    da=bs*98/100\n",
      "gs=bs+hra+da\n",
      "print \"gross salary=Rs.\" ,gs"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter basic salary\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1000\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "gross salary=Rs. 2000\n"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "EXAMPLE ON Page-53"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter either 1 or 2\"\n",
      "i=eval(raw_input())\n",
      "if i==1:\n",
      "    print \"You would go to heaven !\\n\"\n",
      "else:\n",
      "    if i==2:\n",
      "        print \"Hell was created with you in mind\\n\"\n",
      "    else:\n",
      "        print \"How about mother earth !\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter either 1 or 2\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "3\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "How about mother earth !\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.4: Page-55-56"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter marks in five subjects\"\n",
      "m1=eval(raw_input())\n",
      "m2=eval(raw_input())\n",
      "m3=eval(raw_input())\n",
      "m4=eval(raw_input())\n",
      "m5=eval(raw_input())\n",
      "per=(m1+m2+m3+m4+m5)*100/500\n",
      "if per>=60:\n",
      "    print \"First division\\n\"\n",
      "else:\n",
      "    if per>=50:\n",
      "        print \"Second division\\n\"\n",
      "    else:\n",
      "        if per>=40:\n",
      "            print \"Third division\\n\"\n",
      "        else:\n",
      "            print \"Fail\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter marks in five subjects\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "70\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "87\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "98\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "First division\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "EXAMPLE ON Page-56-57"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter marks in five subjects\"\n",
      "m1=eval(raw_input())\n",
      "m2=eval(raw_input())\n",
      "m3=eval(raw_input())\n",
      "m4=eval(raw_input())\n",
      "m5=eval(raw_input())\n",
      "per=(m1+m2+m3+m4+m5)*100/500\n",
      "if per>=60:\n",
      "    print \"First division\\n\"\n",
      "if per>=50 and per<60:\n",
      "    print \"Second division\\n\"\n",
      "if per>=40 and per<50:\n",
      "    print \"Third division\\n\"\n",
      "if per<40:\n",
      "    print \"Fail\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter marks in five subjects\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "70\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "87\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "98\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "First division\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "EXAMPLE ON Page-58"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter marks in five subjects\"\n",
      "m1=eval(raw_input())\n",
      "m2=eval(raw_input())\n",
      "m3=eval(raw_input())\n",
      "m4=eval(raw_input())\n",
      "m5=eval(raw_input())\n",
      "per=(m1+m2+m3+m4+m5)*100/500\n",
      "if per>=60:\n",
      "    print \"First division\\n\"\n",
      "elif per>=50:\n",
      "    print \"Second division\\n\"\n",
      "elif per>=40:\n",
      "    print \"Third division\\n\"\n",
      "else:\n",
      "    print \"fail\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter marks in five subjects\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "70\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "87\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "91\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "98\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "First division\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.5: Page-59"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter age,sex,marital status\"\n",
      "age=eval(raw_input())\n",
      "sex=raw_input()                                         #Inputs string variables i,e; we can't use these variables in calculations\n",
      "ms=raw_input()                                          #Inputs string variables\n",
      "if ms=='M':\n",
      "    print \"Driver is insured\\n\"\n",
      "else:\n",
      "    if sex=='M':\n",
      "        if age>30:\n",
      "            print \"Driver is insured\\n\"\n",
      "        else:\n",
      "            print \"Driver is not insured\\n\"\n",
      "    else:\n",
      "        if age>25:\n",
      "            print \"Driver is insured\\n\"\n",
      "        else:\n",
      "            print \"Driver is not insured\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter age,sex,marital status\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "20\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "M\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "U\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Driver is not insured\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 10
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "EXAMPLE ON Page-60"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter age,sex,marital status\"\n",
      "age=eval(raw_input())\n",
      "sex=raw_input()\n",
      "ms=raw_input()\n",
      "if (ms=='M') or (ms=='U' and sex=='M' and age>30) or (ms=='U' and sex=='F' and age>25):\n",
      "    print \"Driver is insured\\n\"\n",
      "else:\n",
      "    print \"Driver is not insured\\n\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter age,sex,marital status\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "20\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "M\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "U\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Driver is not insured\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 11
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2.6: Page-61-62"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      " \n",
      "print \"Enter Gender,Years of Service and Qualifications(0=G,1=PG):\"\n",
      "g=raw_input()\n",
      "yos=eval(raw_input())\n",
      "qual=eval(raw_input())\n",
      "sal=0\n",
      "if g=='m' and yos>=10 and qual==1:\n",
      "    sal=15000\n",
      "elif (g=='m' and yos>=10 and qual==0) or (g=='m' and yos<10 and qual==1):\n",
      "    sal=10000\n",
      "elif g=='m' and yos<10 and qual==0:\n",
      "    sal=7000\n",
      "elif g=='f' and yos>=10 and qual==1:\n",
      "    sal=12000\n",
      "elif g=='f' and yos>=10 and qual==0:\n",
      "    sal=9000\n",
      "elif g=='f' and yos<10 and qual==1:\n",
      "    sal=10000\n",
      "elif g=='f' and yos<10 and qual==0:\n",
      "    sal=6000\n",
      "print \"\\nSalary of Employee=\" ,sal"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter Gender,Years of Service and Qualifications(0=G,1=PG):\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "m\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "0\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Salary of Employee= 7000\n"
       ]
      }
     ],
     "prompt_number": 12
    }
   ],
   "metadata": {}
  }
 ]
}