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 "metadata": {
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  "signature": "sha256:d2add72dea4c498cf89927248000fdbfce0907704975d2bdb6ff1cde1c8f50a7"
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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Chapter 16 : Pointers and Arrays"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example: 1, Page No.:5.118"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#Program to print the value and address of the element\n",
      "\n",
      "a=[10,20,30,40,50]\n",
      "for b in range(0,5):\n",
      "    print \"The value of a[%d]=%d\"%(b,a[b])\n",
      "    print \"Address of a[%d]=%u\"%(b,id(a[b]))"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "The value of a[0]=10\n",
        "Address of a[0]=4299197952\n",
        "The value of a[1]=20\n",
        "Address of a[1]=4299197712\n",
        "The value of a[2]=30\n",
        "Address of a[2]=4299197472\n",
        "The value of a[3]=40\n",
        "Address of a[3]=4299199208\n",
        "The value of a[4]=50\n",
        "Address of a[4]=4299198968\n"
       ]
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example: 2, Page No.: 5.119"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#Program to print the value and the address of the element using pointer with function\n",
      "\n",
      "a=[10,20,30,40,50]\n",
      "\n",
      "for c in range(0,5):\n",
      "    print \"The Value of a[%d]=%d\"%(c,a[c])\n",
      "    print \"The address of a[%d]=%u\"%(c,id(b))\n",
      "def value(b):\n",
      "    b=''\n",
      "    id(b)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "The Value of a[0]=10\n",
        "The address of a[0]=4296527248\n",
        "The Value of a[1]=20\n",
        "The address of a[1]=4296527248\n",
        "The Value of a[2]=30\n",
        "The address of a[2]=4296527248\n",
        "The Value of a[3]=40\n",
        "The address of a[3]=4296527248\n",
        "The Value of a[4]=50\n",
        "The address of a[4]=4296527248\n"
       ]
      }
     ],
     "prompt_number": 58
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example:3, Page No,: 5.120"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#Program to add the sum of number using pointer\n",
      "\n",
      "a=[10,20,30,40,50]\n",
      "\n",
      "b=total=0\n",
      "c=id(c)\n",
      "\n",
      "for b in range(0,5):\n",
      "    print \"Enter the number %d: \"%(b+1)\n",
      "    a[b]=input()\n",
      "    \n",
      "c=a\n",
      "for b in range(0,5):\n",
      "    total=total+c[b]\n",
      "    c[b]=c[b]+1\n",
      "\n",
      "print \"Total= %d\"%(total)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the number 1: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "10\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the number 2: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "20\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the number 3: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "30\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the number 4: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "40\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the number 5: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "50\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Total= 150\n"
       ]
      }
     ],
     "prompt_number": 67
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example: 4, Page No.: 5.121 "
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#Program to sort a given number using pointer.\n",
      "\n",
      "arr = []\n",
      "n = input(\"Enter the no. of elements: \")\n",
      "for i in range(0,n):\n",
      "    arr.append(0)\n",
      "print \"Enter the element: \"    \n",
      "for i in range(0,n):\n",
      "    arr[i]=input()\n",
      "print \"Before Sorting:\"    \n",
      "for i in range(0,n):\n",
      "    print \"%d\"%arr[i],\n",
      "    \n",
      "for i in range(0,n):\n",
      "    for j in range(i,n):\n",
      "        if arr[i]>arr[j]:\n",
      "            t = arr[i]\n",
      "            arr[i] = arr[j]\n",
      "            arr[j] = t\n",
      "print \"\\nAfter Sorting:\"\n",
      "for i in range(0,n):\n",
      "    print \"%d\" %arr[i],"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the no. of elements: 5\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter the element: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "8\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "5\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "7\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "4\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "6\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Before Sorting:\n",
        "8 5 7 4 6 \n",
        "After Sorting:\n",
        "4 5 6 7 8\n"
       ]
      }
     ],
     "prompt_number": 72
    }
   ],
   "metadata": {}
  }
 ]
}