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+{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:86b94093ee72d30b0a9443a44a1c3905ef6186294337253a1ca56b0318def382"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 17 : Pointers with Multidimensional Array"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example: 1, Page No.:5.123"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to print the values and addres of the array elements.\n",
+ "\n",
+ "arr=([[5,100],[10,200],[15,300],[20,400]])\n",
+ "\n",
+ "for a in range(0,4):\n",
+ " print \"Address of %d array= %u\"%(a,id(arr[a]))\n",
+ " for b in range(0,2):\n",
+ " print \"Value =%d\"%(arr[a][b])\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Address of 0 array= 4336406328\n",
+ "Value =5\n",
+ "Value =100\n",
+ "Address of 1 array= 4336414944\n",
+ "Value =10\n",
+ "Value =200\n",
+ "Address of 2 array= 4336414800\n",
+ "Value =15\n",
+ "Value =300\n",
+ "Address of 3 array= 4366918504\n",
+ "Value =20\n",
+ "Value =400\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example: 2, Page No.: 5.125"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to print the value and address of the element using array of pointers\n",
+ "\n",
+ "a=[0,1,2]\n",
+ "b=10\n",
+ "c=20\n",
+ "d=30\n",
+ "a[0]=b\n",
+ "a[1]=c\n",
+ "a[2]=d\n",
+ "for i in range(0,3):\n",
+ " print \"Address = %u\"%id(a[i])\n",
+ " print \"Value = %d\" % (a[i])"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Address = 4298181184\n",
+ "Value = 10\n",
+ "Address = 4298180944\n",
+ "Value = 20\n",
+ "Address = 4298180704\n",
+ "Value = 30\n"
+ ]
+ }
+ ],
+ "prompt_number": 8
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example: 3, Page No.: 5.126 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to sort a list of strings in alphabetical order using array of pointers.\n",
+ "\n",
+ "a = []\n",
+ "n= input(\"Enter the number of strings: \")\n",
+ "print \"Enter each string on a separate line below.\"\n",
+ "for i in range(0,n):\n",
+ " a.append(0)\n",
+ " \n",
+ "for i in range(0,n):\n",
+ " a[i]=raw_input(\"String %d: \" %(i+1))\n",
+ "for i in range(0,n):\n",
+ " for j in range(i,n):\n",
+ " if a[i]>a[j]:\n",
+ " t = a[i]\n",
+ " a[i] = a[j]\n",
+ " a[j] = t\n",
+ "print \"\\nReordered List of Strings: \"\n",
+ "for i in range(0,n):\n",
+ " print \"String %d: %s\" %(i+1,a[i])\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter the number of strings: 6\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter each string on a separate line below.\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 1: venkat\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 2: ramesh\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 3: babu\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 4: muni\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 5: shankar\n"
+ ]
+ },
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "String 6: saravanan\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ "Reordered List of Strings: \n",
+ "String 1: babu\n",
+ "String 2: muni\n",
+ "String 3: ramesh\n",
+ "String 4: saravanan\n",
+ "String 5: shankar\n",
+ "String 6: venkat\n"
+ ]
+ }
+ ],
+ "prompt_number": 23
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example: 4, Page No.: 5.128 "
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to count number of words\n",
+ "\n",
+ "str=[]\n",
+ "ps=raw_input(\"Enter a string: \")\n",
+ "print len(ps.split()), \"word(s) in the given string\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "name": "stdout",
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Enter a string: I am a student.\n"
+ ]
+ },
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "4 word(s) in the given string\n"
+ ]
+ }
+ ],
+ "prompt_number": 27
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example: 5, Page No.: 5.129"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Program to demonstrate on strings and pointers\n",
+ "\n",
+ "s1=\"abcd\"\n",
+ "s2='efgh'\n",
+ "\n",
+ "print \"%s %16lu \\n\" % (s1,id(s1))\n",
+ "print \"%s %16lu \\n\" % (s2,id(s2)) \n",
+ "\n",
+ "s1=s2\n",
+ "print \"%s %16lu \\n\" % (s1,id(s1))\n",
+ "print \"%s %16lu \\n\" % (s2,id(s2))"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "abcd 4363408224 \n",
+ "\n",
+ "efgh 4363332704 \n",
+ "\n",
+ "efgh 4363332704 \n",
+ "\n",
+ "efgh 4363332704 \n",
+ "\n"
+ ]
+ }
+ ],
+ "prompt_number": 34
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2025-01-08 20:25:09 +0000