{
 "metadata": {
  "name": "",
  "signature": "sha256:0ff7bb47f00bae9dc5a49237df7011debd17443ba836341d55e8fe830338ade7"
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 "nbformat": 3,
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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 3: Input/Output Functions and Statements"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 1 , Page number: CP-39"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#program to add and find product of two numbers\n",
      "\n",
      "#variable declaration\n",
      "a = 5\n",
      "b = 3\n",
      "\n",
      "# calculation of sum and product \n",
      "\n",
      "summ = a + b\n",
      "product = a * b\n",
      "\n",
      "print a,b\n",
      "print summ,product"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "5 3\n",
        "8 15\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2 , Page number: CP-45"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to convert degree fahrenheit to celcius \n",
      "# variable declaration\n",
      "\n",
      "f = 105.00\n",
      "print \"Degree fahrenheit ? %d\" % f\n",
      "# calculation of degree in celcius \n",
      "\n",
      "c = 5.0/9.0 * (f-32)\n",
      "\n",
      "# result \n",
      "print\n",
      "print \"Degree centigrade =%6.2f\" % c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Degree fahrenheit ? 105\n",
        "\n",
        "Degree centigrade = 40.56\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 3 , Page number: CP-45"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# To find area of a triangle\n",
      "# variable declaration\n",
      "\n",
      "a = 5\n",
      "b = 4\n",
      "c = 6\n",
      "\n",
      "\n",
      "# calculation of area\n",
      "s = float((a+b+c))/2\n",
      "area = (s*(s-a)*(s-b)*(s-c)) ** 0.5\n",
      "\n",
      "# result\n",
      "print \"Enter three sides : %d\" % a,b,c\n",
      "print \n",
      "print \"Area of triangle = %0.2f Sq.units\" % area"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter three sides : 5 4 6\n",
        "\n",
        "Area of triangle = 9.92 Sq.units\n"
       ]
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 4 , Page number: CP-51"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# To print ASCII value of a given character \n",
      "# Variable declaration\n",
      "\n",
      "ch = \"A\"\n",
      "print \"Enter a character : \" , ch\n",
      "\n",
      "# Calculation of ASCII value of a character\n",
      "\n",
      "print \n",
      "print \"ASCII value of \" + ch + \" is\" ,ord(ch)\n",
      "print \"Press any key to stop. . .\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter a character :  A\n",
        "\n",
        "ASCII value of A is 65\n",
        "Press any key to stop. . .\n"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 5 , Page number: CP-51"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# To print electricity for consumers\n",
      "# Variable declaration\n",
      "\n",
      "sno = \"TMR65358\"\n",
      "pmr = 4305\n",
      "cmr = 4410\n",
      "\n",
      "print \"Enter service number :\" ,sno\n",
      "print \"Previous meter reading ?\",pmr\n",
      "print \"Current meter reading ?\",cmr\n",
      "\n",
      "# Calculation of electricity charges\n",
      "\n",
      "units = cmr - pmr\n",
      "amt = units * 1.50\n",
      "\n",
      "# Result\n",
      "\n",
      "print\n",
      "print \"         Electricity Bill\"\n",
      "print \"         ----------------\"\n",
      "print \"Service No :\",sno\n",
      "print \"Unit Consumed :\",units\n",
      "print \"Electricity Charges : Rs.%0.2f\" % amt"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter service number : TMR65358\n",
        "Previous meter reading ? 4305\n",
        "Current meter reading ? 4410\n",
        "\n",
        "         Electricity Bill\n",
        "         ----------------\n",
        "Service No : TMR65358\n",
        "Unit Consumed : 105\n",
        "Electricity Charges : Rs.157.50\n"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 6 , Page number: CP-52"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Program to swap value of two variables\n",
      "# Variable declaration\n",
      "\n",
      "a = 15\n",
      "b = 250 \n",
      "\n",
      "print \"Enter value to A :\",a\n",
      "print \"Enter value to B :\",b\n",
      "\n",
      "# Swapping\n",
      "\n",
      "temp = a\n",
      "a = b\n",
      "b = temp\n",
      "\n",
      "print \n",
      "print \"Value of A =\",a\n",
      "print \"Value of B =\",b"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter value to A : 15\n",
        "Enter value to B : 250\n",
        "\n",
        "Value of A = 250\n",
        "Value of B = 15\n"
       ]
      }
     ],
     "prompt_number": 7
    }
   ],
   "metadata": {}
  }
 ]
}