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  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 4: Input/Output Functions and Statements"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 1.0, Page number: IOF-5"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "#Variable Declaration and Initialization\n",
      "a = int(raw_input(\"\"))\n",
      "b = int(raw_input(\"\"))\n",
      "\n",
      "#Calculation\n",
      "sum1 = a + b\n",
      "product = a * b\n",
      "#Since sum is a keyword in python, sum1 is used\n",
      "\n",
      "#Output\n",
      "print sum1, product"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "3\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "8 15\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 1.1, Page number: IOF-6"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "#Variable initialization\n",
      "a = int(raw_input(\"Enter Value to A : \"))\n",
      "b = int(raw_input(\"Enter Value to B : \"))\n",
      "\n",
      "#Calculation\n",
      "sum1 = a + b\n",
      "product = a * b\n",
      "#Since sum is a keyword in python, sum1 is used\n",
      "\n",
      "#Output\n",
      "print \"SUM = \",sum1,\"\\nPRODUCT = \", product"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter Value to A : 5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter Value to B : 3\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "SUM =  8 \n",
        "PRODUCT =  15\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 2, Page number: IOF-10"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "import sys\n",
      "\n",
      "#Variable Initialization\n",
      "f = int(raw_input(\"Degree fahrenheit ? \"))\n",
      "\n",
      "#Calculation\n",
      "c = 5.0/9.0 * (f-32)\n",
      "\n",
      "#Output\n",
      "sys.stdout.write(\"Degree centigrade = %6.2f\"%(c))"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Degree fahrenheit ? 105\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Degree centigrade =  40.56"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 3, Page number: IOF-10"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "import sys\n",
      "import math\n",
      "\n",
      "#Variable Initialization\n",
      "a = int(raw_input(\"Enter three sides : \"))\n",
      "b = int(raw_input(\"Enter three sides : \"))\n",
      "c = int(raw_input(\"Enter three sides : \"))\n",
      "\n",
      "#Calculation\n",
      "s = (a+b+c)/2\n",
      "area = math.sqrt(s * (s-a) * (s-b) * (s-c))\n",
      "\n",
      "#Output\n",
      "sys.stdout.write(\"Area of Triangle = %6.2f Sq.units\"%(area))"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter three sides : 5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter three sides : 4\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter three sides : 6\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Area of Triangle =   6.48 Sq.units"
       ]
      }
     ],
     "prompt_number": 14
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 4, Page number: IOF-16"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "#Variable Initialization\n",
      "ch = raw_input(\"Enter a character : \")\n",
      "\n",
      "#Output\n",
      "sys.stdout.write(\"\\n\\nASCII value of %c is %u\"%(ch,ord(ch)))\n",
      "sys.stdout.write(\"\\nPress any key to stop...\")"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter a character : A\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "\n",
        "ASCII value of A is 65\n",
        "Press any key to stop..."
       ]
      }
     ],
     "prompt_number": 17
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 5, Page number: IOF-16"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "import sys\n",
      "\n",
      "#Variable initialization\n",
      "sno = raw_input(\"Enter service number : \")\n",
      "pmr = int(raw_input(\"\\nPrevious month reading ? \"))\n",
      "cmr = int(raw_input(\"\\nCurrent month reading ? \"))\n",
      "\n",
      "#Calculation\n",
      "units = cmr - pmr\n",
      "amt = units * 1.50\n",
      "\n",
      "#Output\n",
      "sys.stdout.write(\"\\n    Electricity Bill\")\n",
      "sys.stdout.write(\"\\n    ________________\")\n",
      "sys.stdout.write(\"\\nService No. %s\"%(sno))\n",
      "sys.stdout.write(\"\\nUnits Consumed : %d\"%(units))\n",
      "sys.stdout.write(\"\\nElectricity Charges Rs. %0.2f\"%(amt))\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter service number : TMR65358\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Previous month reading ? 4305\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Current month reading ? 4410\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "    Electricity Bill\n",
        "    ________________\n",
        "Service No. TMR65358\n",
        "Units Consumed : 105\n",
        "Electricity Charges Rs. 157.50"
       ]
      }
     ],
     "prompt_number": 18
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 6, Page number: IOF-17"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "\n",
      "import sys\n",
      "\n",
      "#Variable Initialization\n",
      "a = int(raw_input(\"Enter value to A : \"))\n",
      "b = int(raw_input(\"Enter value to B : \"))\n",
      "\n",
      "#Calculation\n",
      "temp = a\n",
      "a = b\n",
      "b = temp\n",
      "\n",
      "#Output\n",
      "sys.stdout.write(\"\\n\\nValue of A = %d\"%(a))\n",
      "sys.stdout.write(\"\\nValue of B = %d\"%(b))"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter value to A : 15\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter value to B : 250\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "\n",
        "Value of A = 250\n",
        "Value of B = 15"
       ]
      }
     ],
     "prompt_number": 19
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}