From 41f1f72e9502f5c3de6ca16b303803dfcf1df594 Mon Sep 17 00:00:00 2001 From: Thomas Stephen Lee Date: Fri, 4 Sep 2015 22:04:10 +0530 Subject: add/remove/update books --- Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb | 1664 +++++++++++++++++++++++ 1 file changed, 1664 insertions(+) create mode 100755 Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb (limited to 'Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb') diff --git a/Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb b/Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb new file mode 100755 index 00000000..16b27feb --- /dev/null +++ b/Magnifying_C_by_Arpita_Goyal/Chapter_11_3.ipynb @@ -0,0 +1,1664 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 11: Structures and Unions" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.1, Page number: 388" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = ''\n", + "\tname = ''\n", + "\taddress = ''\n", + "\tage = ''\n", + "\t\n", + "newstudent = student()\n", + "\n", + "print ('Enter the student information ')\n", + "newstudent.id_no = int(raw_input('Enter student id_no : '))\n", + "newstudent.name = raw_input('Enter name of the student : ')\n", + "newstudent.address = raw_input('Enter the address of the student : ')\n", + "newstudent.age = int(raw_input('Enter the age of the student : '))\n", + "\n", + "print ('You have entered following information...')\n", + "print ('Student id_number = %d ' % newstudent.id_no)\n", + "print ('Student name = %s ' % newstudent.name)\n", + "print ('Student address = %s ' % newstudent.address)\n", + "print ('Age of student = %d ' % newstudent.age)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 1\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Amanjeet\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Delhi\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 20\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 1 \n", + "Student name = Amanjeet \n", + "Student address = Delhi \n", + "Age of student = 20 \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.2, Page number: 390" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = ''\n", + "\tname = ''\n", + "\taddress = ''\n", + "\tage = ''\n", + "\t\n", + "newstudent = student()\n", + "\n", + "def putdata (newstudent) : \n", + " print ('You have entered following information...')\n", + " print ('Student id_number = %d ' % newstudent.id_no)\n", + " print ('Student name = %s ' % newstudent.name)\n", + " print ('Student address = %s ' % newstudent.address)\n", + " print ('Age of student = %d ' % newstudent.age)\n", + " \n", + "print ('Enter the student information ') \n", + "newstudent.id_no = int(raw_input('Enter student id_no : '))\n", + "newstudent.name = raw_input('Enter name of the student : ')\n", + "newstudent.address = raw_input('Enter the address of the student : ')\n", + "newstudent.age = int(raw_input('Enter the age of the student : '))\n", + "\n", + "putdata (newstudent)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 2\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Deepti\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Noida\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 23\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 2 \n", + "Student name = Deepti \n", + "Student address = Noida \n", + "Age of student = 23 \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.3, Page number: 392" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = ''\n", + "\tname = ''\n", + "\taddress = ''\n", + "\tage = ''\n", + "\t\n", + "newstudent = student()\n", + "\n", + "def putdata (idno, name, add, age) :\n", + " print ('You have entered following information...')\n", + " print ('Student id_number = %d ' % idno)\n", + " print ('Student name = %s ' % name)\n", + " print ('Student address = %s ' % add)\n", + " print ('Age of student = %d ' % age)\n", + " \n", + "print ('Enter the student information ')\n", + "newstudent.id_no = int(raw_input('Enter student id_no : '))\n", + "newstudent.name = raw_input('Enter name of the student : ')\n", + "newstudent.address = raw_input('Enter the address of the student : ')\n", + "newstudent.age = int(raw_input('Enter the age of the student : '))\n", + "\n", + "putdata (newstudent.id_no, newstudent.name, newstudent.address, newstudent.age)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 3\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Kushagra\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Bangalore\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 21\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 3 \n", + "Student name = Kushagra \n", + "Student address = Bangalore \n", + "Age of student = 21 \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.4, Page number: 395" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = 0\n", + "\tname = 'Unknown'\n", + "\taddress = 'Unknown'\n", + "\tage = 0\n", + "\t\n", + "newstudent = student()\n", + "\n", + "def readdata (newstudent) :\n", + " print ('Enter the student information ')\n", + " newstudent.id_no = int(raw_input('Enter student id_no : '))\n", + " newstudent.name = raw_input('Enter name of the student : ')\n", + " newstudent.address = raw_input('Enter the address of the student : ')\n", + " newstudent.age = int(raw_input('Enter the age of the student : '))\n", + "\n", + "readdata (newstudent)\n", + "print ('You have entered following information...')\n", + "print ('Student id_number = %d ' % newstudent.id_no)\n", + "print ('Student name = %s ' % newstudent.name)\n", + "print ('Student address = %s ' % newstudent.address)\n", + "print ('Age of student = %d ' % newstudent.age)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 4\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Vipul\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Chandigarh\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 25\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 4 \n", + "Student name = Vipul \n", + "Student address = Chandigarh \n", + "Age of student = 25 \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.5, Page number: 397" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = 0\n", + "\tname = 'Unknown'\n", + "\taddress = 'Unknown'\n", + "\tage = 0\n", + "\t\n", + "def readdata () :\n", + " x = student()\n", + " print ('Enter the student information ')\n", + " x.id_no = int(raw_input('Enter student id_no : '))\n", + " x.name = raw_input('Enter name of the student : ')\n", + " x.address = raw_input('Enter the address of the student : ')\n", + " x.age = int(raw_input('Enter the age of the student : '))\n", + " return x\n", + "\n", + "newstudent = readdata()\n", + "\n", + "print ('You have entered following information...')\n", + "print ('Student id_number = %d ' % newstudent.id_no)\n", + "print ('Student name = %s ' % newstudent.name)\n", + "print ('Student address = %s ' % newstudent.address)\n", + "print ('Age of student = %d ' % newstudent.age)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 5\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Ujjwal\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Jaipur\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 20\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 5 \n", + "Student name = Ujjwal \n", + "Student address = Jaipur \n", + "Age of student = 20 \n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.6, Page number: 400" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student :\n", + "\tid_no = 0\n", + "\tname = 'Unknown'\n", + "\taddress = 'Unknown'\n", + "\tage = 0\n", + "\t\n", + "x = student()\n", + "\n", + "def readdata (x) :\n", + " print ('Enter the student information ')\n", + " x.id_no = int(raw_input('Enter student id_no : '))\n", + " x.name = raw_input('Enter name of the student : ')\n", + " x.address = raw_input('Enter the address of the student : ')\n", + " x.age = int(raw_input('Enter the age of the student : '))\n", + "\n", + "readdata(x) \n", + "print ('You have entered following information...')\n", + "print ('Student id_number = %d ' % x.id_no)\n", + "print ('Student name = %s ' % x.name)\n", + "print ('Student address = %s ' % x.address)\n", + "print ('Age of student = %d ' % x.age)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the student information \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter student id_no : 6\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of the student : Karan\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the address of the student : Chennai\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the age of the student : 24\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have entered following information...\n", + "Student id_number = 6 \n", + "Student name = Karan \n", + "Student address = Chennai \n", + "Age of student = 24 \n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.7, Page number: 403" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student (object) :\n", + "\tdef __init__(self, roll=None, name=None, gender=None, marks=[0]*3) :\n", + "\t\tself.roll = roll\n", + "\t\tself.name = name\n", + "\t\tself.gender = gender\n", + "\t\tself.marks = marks\n", + "\n", + "def putdata (stud, count) :\n", + "\tprint ('RollNo\\t Name\\t\\t Gender\\t Sub1\\t Sub2\\t Sub3 ')\n", + "\tprint ('---------------------------------------------------------------------')\n", + "\t\n", + "\tfor i in range (0, count) :\n", + "\t\tprint ('%-10d' % stud[i].roll),\n", + "\t\tprint ('%-15s' % stud[i].name),\n", + "\t\t\n", + "\t\tif stud[i].gender == 0 :\n", + "\t\t\tprint ('%-15s' % 'Female'),\n", + "\t\telse :\n", + "\t\t\tprint ('%-15s' % 'Male'),\n", + "\t\t\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tprint ('%-10d' % stud[i].marks[j]),\n", + "\t\tprint\n", + "\n", + "def calculateper (stud, count) :\n", + "\taverage = 0\n", + "\tfor i in range (0, count) :\n", + "\t\tsum = 0\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tsum = sum + stud[i].marks[j]\n", + "\t\taverage = average + sum/3\n", + "\treturn average/count\n", + "\n", + "stud = []\t\n", + "stud.append (student (1, 'Kapildev', 1, (45, 56, 67)))\n", + "stud.append (student (2, 'Vidya', 0, (87, 45, 23)))\n", + "stud.append (student (3, 'Sharada', 0, (67, 94, 56)))\n", + "stud.append (student (4, 'Saismaran', 1, (56, 38, 84)))\n", + "stud.append (student (5, 'Reshma', 0, (67, 98, 76)))\n", + "\n", + "average_percentage = calculateper (stud, 5)\n", + "putdata (stud, 5)\n", + "print ('\\nAverage percentage of the class is : %.2f ' % average_percentage)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "RollNo\t Name\t\t Gender\t Sub1\t Sub2\t Sub3 \n", + "---------------------------------------------------------------------\n", + "1 Kapildev Male 45 56 67 \n", + "2 Vidya Female 87 45 23 \n", + "3 Sharada Female 67 94 56 \n", + "4 Saismaran Male 56 38 84 \n", + "5 Reshma Female 67 98 76 \n", + "\n", + "Average percentage of the class is : 63.00 \n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.8, Page number: 406" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student (object) :\n", + "\tdef __init__(self, roll=None, name=None, gender=None, marks=[0]*3) :\n", + "\t\tself.roll = roll\n", + "\t\tself.name = name\n", + "\t\tself.gender = gender\n", + "\t\tself.marks = marks\n", + "\t\n", + "def putdata (stud, count) :\n", + "\tprint ('\\nRollNo\\t Name\\t\\t Gender\\t Sub1\\t Sub2\\t Sub3 ')\n", + "\tprint ('---------------------------------------------------------------------')\n", + "\t\n", + "\tfor i in range (0, count) :\n", + "\t\tprint ('%-10d' % stud[i].roll),\n", + "\t\tprint ('%-15s' % stud[i].name),\n", + "\t\t\n", + "\t\tif stud[i].gender == 0 :\n", + "\t\t\tprint ('%-15s' % 'Female'),\n", + "\t\telse :\n", + "\t\t\tprint ('%-15s' % 'Male'),\n", + "\t\t\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tprint ('%-10d' % stud[i].marks[j]),\n", + "\t\tprint\n", + "\n", + "def calculateper (stud, count) :\n", + "\taverage = 0\n", + "\tfor i in range (0, count) :\n", + "\t\tsum = 0\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tsum = sum + stud[i].marks[j]\n", + "\t\taverage = average + sum/3\n", + "\treturn average/count\n", + "\n", + "count = int(raw_input('Enter the number of students in a class : '))\n", + "stud = [student() for i in range (0, count)]\n", + "\n", + "for i in range (0, count) :\n", + "\tstud[i].roll = int(raw_input('\\nEnter roll number of student %d: ' % (i+1)))\n", + "\tstud[i].name = raw_input('Enter name of student %d: ' % (i+1))\n", + "\tstud[i].gender = int(raw_input('Enter gender[0/1] of student %d: ' % (i+1)))\n", + "\tprint ('Enter marks of three subjects of student %d: ' % (i+1))\n", + "\tfor j in range (0, 3) :\n", + "\t\tstud[i].marks[j] = int(raw_input('Subject %d: ' % (j+1)))\n", + "\n", + "putdata (stud, count)\n", + "average_percentage = calculateper (stud, count)\n", + "print ('\\nAverage percentage of the class is : %.2f ' % average_percentage)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the number of students in a class : 1\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter roll number of student 1: 24\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of student 1: Vidya\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter gender[0/1] of student 1: 0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter marks of three subjects of student 1: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 1: 78\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 2: 96\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 3: 75\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "RollNo\t Name\t\t Gender\t Sub1\t Sub2\t Sub3 \n", + "---------------------------------------------------------------------\n", + "24 Vidya Female 78 96 75 \n", + "\n", + "Average percentage of the class is : 83.00 \n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.9, Page number: 408" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class student (object) :\n", + "\tdef __init__(self, roll=None, name=None, gender=None, marks=[0]*3) :\n", + "\t\tself.roll = roll\n", + "\t\tself.name = name\n", + "\t\tself.gender = gender\n", + "\t\tself.marks = marks\n", + "\n", + "def readdata (stud, count) :\n", + "\tfor i in range (0, count) :\n", + "\t\tstud[i].roll = int(raw_input('\\nEnter roll number of student %d: ' % (i+1)))\n", + "\t\tstud[i].name = raw_input('Enter name of student %d: ' % (i+1))\n", + "\t\tstud[i].gender = int(raw_input('Enter gender[0/1] of student %d: ' % (i+1)))\n", + "\t\tprint ('Enter marks of three subjects of student %d: ' % (i+1))\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tstud[i].marks[j] = int(raw_input('Subject %d: ' % (j+1)))\n", + "\t\n", + "def putdata (stud, count) :\n", + "\tprint ('\\nRollNo\\t Name\\t\\t Gender\\t Sub1\\t Sub2\\t Sub3 ')\n", + "\tprint ('---------------------------------------------------------------------')\n", + "\t\n", + "\tfor i in range (0, count) :\n", + "\t\tprint ('%-10d' % stud[i].roll),\n", + "\t\tprint ('%-15s' % stud[i].name),\n", + "\t\t\n", + "\t\tif stud[i].gender == 0 :\n", + "\t\t\tprint ('%-15s' % 'Female'),\n", + "\t\telse :\n", + "\t\t\tprint ('%-15s' % 'Male'),\n", + "\t\t\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tprint ('%-10d' % stud[i].marks[j]),\n", + "\t\tprint\n", + "\n", + "def calculateper (stud, count) :\n", + "\taverage = 0\n", + "\tfor i in range (0, count) :\n", + "\t\tsum = 0\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tsum = sum + stud[i].marks[j]\n", + "\t\taverage = average + sum/3\n", + "\treturn average/count\n", + "\n", + "count = int(raw_input('Enter the number of students in a class : '))\n", + "stud = [student() for i in range (0, count)]\n", + "readdata (stud, count)\n", + "\n", + "average_percentage = calculateper (stud, count)\n", + "putdata (stud, count)\n", + "print ('\\nAverage percentage of the class is : %.2f ' % average_percentage)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the number of students in a class : 1\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter roll number of student 1: 25\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of student 1: Kapildev\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter gender[0/1] of student 1: 1\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter marks of three subjects of student 1: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 1: 45\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 2: 70\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 3: 93\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "RollNo\t Name\t\t Gender\t Sub1\t Sub2\t Sub3 \n", + "---------------------------------------------------------------------\n", + "25 Kapildev Male 45 70 93 \n", + "\n", + "Average percentage of the class is : 69.00 \n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.10, Page number: 412" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class time (object) :\n", + "\tdef __init__(self, hours=None, minutes=None, seconds=None) :\n", + "\t\tself.hours = hours\n", + "\t\tself.minutes = minutes\n", + "\t\tself.seconds = seconds\n", + "\n", + "def AcceptTime (t) :\n", + "\tprint ('Enter the time in hh mm ss format: ')\n", + "\tt.hours = int(raw_input('Hours = '))\n", + "\tt.minutes = int(raw_input('Minutes = '))\n", + "\tt.seconds = int(raw_input('Seconds = '))\n", + "\n", + "def ValidateTime (t) :\n", + "\tif t.hours < 0 or t.hours > 23 :\n", + "\t\treturn 0\n", + "\tif t.minutes < 0 or t.minutes > 60 :\n", + "\t\treturn 0\n", + "\tif t.seconds < 0 or t.seconds > 60 :\n", + "\t\treturn 0\n", + "\treturn 1\n", + "\n", + "def DisplayTime (t) :\n", + "\tprint ('Time you entered is %d:%d:%d ' % (t.hours, t.minutes, t.seconds))\n", + "\t\n", + "condition = True\n", + "while condition :\n", + "\tt = time ()\n", + "\tAcceptTime (t)\n", + "\t\n", + "\tif ValidateTime (t) == 1 :\n", + "\t\tcondition = False\n", + "\telse :\n", + "\t\tprint ('\\nTime is incorrect. Enter again ')\n", + "\t\t\n", + "DisplayTime (t)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the time in hh mm ss format: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Hours = 13\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Minutes = 45\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Seconds = 53\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Time you entered is 13:45:53 \n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.11, Page number: 414" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class date (object) :\n", + "\tdef __init__(self, dd=None, mm=None, yy=None) :\n", + "\t\tself.dd = dd\n", + "\t\tself.mm = mm\n", + "\t\tself.yy = yy\n", + "\n", + "def AcceptDate (d) :\n", + "\tprint ('Enter date in dd mm yy format: ')\n", + "\td.dd = int(raw_input('Date = '))\n", + "\td.mm = int(raw_input('Month = '))\n", + "\td.yy = int(raw_input('Year = '))\n", + "\n", + "def isleap (val) :\n", + "\tif val % 4 == 0 and val % 100 or val % 400 == 0 :\n", + "\t\treturn 1\n", + "\treturn 0\n", + "\t\n", + "def ValidateDate (d) :\n", + "\tif d.dd < 1 or d.dd > 31 :\n", + "\t\treturn 0\n", + "\tif d.mm < 1 or d.mm > 12 :\n", + "\t\treturn 0\n", + "\tif d.yy < 1 :\n", + "\t\treturn 0\n", + "\tif d.mm == 2 :\n", + "\t\tif isleap (d.yy) :\n", + "\t\t\tif d.dd > 29 :\n", + "\t\t\t\treturn 0\n", + "\t\telif d.dd > 28 :\n", + "\t\t\treturn 0\n", + "\tif d.mm == 4 or d.mm == 6 or d.mm == 9 or d.mm == 11 and d.dd > 30 :\n", + "\t\treturn 0\n", + "\treturn 1\n", + "\n", + "def DisplayMsg (d1, d2) :\n", + "\tif d1.dd == d2.dd and d1.mm == d2.mm and d1.yy == d2.yy :\n", + "\t\tprint ('Both dates are Equal ')\n", + "\telse :\n", + "\t\tprint ('Both dates are Not Equal ')\n", + "\t\n", + "condition = True\n", + "while condition :\n", + "\td1 = date ()\n", + "\tAcceptDate (d1)\n", + "\t\n", + "\tif ValidateDate (d1) == 1 :\n", + "\t\tcondition = False\n", + "\telse :\n", + "\t\tprint ('\\nDate is incorrect. Enter again ')\n", + "\n", + "condition = True\n", + "while condition :\n", + "\td2 = date ()\n", + "\tAcceptDate (d2)\n", + "\t\n", + "\tif ValidateDate (d2) == 1 :\n", + "\t\tcondition = False\n", + "\telse :\n", + "\t\tprint ('\\nDate is incorrect. Enter again ')\n", + "\t\t\n", + "DisplayMsg (d1, d2)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter date in dd mm yy format: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Date = 12\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Month = 11\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Year = 92\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter date in dd mm yy format: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Date = 12\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Month = 11\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Year = 92\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Both dates are Equal \n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.12, Page number: 415" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Structure declaration\n", + "class date (object) :\n", + "\tdef __init__(self, dd=None, mm=None, yy=None) :\n", + "\t\tself.dd = dd\n", + "\t\tself.mm = mm\n", + "\t\tself.yy = yy\n", + "\n", + "def AcceptDate (d) :\n", + "\tprint ('Enter date in dd mm yy format: ')\n", + "\td.dd = int(raw_input('Date = '))\n", + "\td.mm = int(raw_input('Month = '))\n", + "\td.yy = int(raw_input('Year = '))\n", + "\n", + "def isleap (val) :\n", + "\tif val % 4 == 0 and val % 100 or val % 400 == 0 :\n", + "\t\treturn 1\n", + "\treturn 0\n", + "\t\n", + "def ValidateDate (d) :\n", + "\tif d.dd < 1 or d.dd > 31 :\n", + "\t\treturn 0\n", + "\tif d.mm < 1 or d.mm > 12 :\n", + "\t\treturn 0\n", + "\tif d.yy < 1 :\n", + "\t\treturn 0\n", + "\tif d.mm == 2 :\n", + "\t\tif isleap (d.yy) :\n", + "\t\t\tif d.dd > 29 :\n", + "\t\t\t\treturn 0\n", + "\t\telif d.dd > 28 :\n", + "\t\t\treturn 0\n", + "\tif d.mm == 4 or d.mm == 6 or d.mm == 9 or d.mm == 11 and d.dd > 30 :\n", + "\t\treturn 0\n", + "\treturn 1\n", + "\n", + "def CalcDate (d1, d2) :\n", + "\tdate1 = date2 = 0\n", + "\tfor i in range (-d1.yy, d1.yy) :\n", + "\t\tdate1 = date1 + 366 if isleap (d1.yy) else 365\n", + "\t\td1.yy = d1.yy - 1\n", + "\t\t\n", + "\tfor i in range (-d1.mm, d1.mm) :\n", + "\t\tdate1 = date1 + (30 if (d1.mm==4 or d1.mm==6 or d1.mm==9 or d1.mm==11) else ((29 if isleap(d1.yy) else 28) if (d1.mm==2) else 31))\n", + "\t\n", + "\tdate1 = date1 + d1.dd\n", + "\t\n", + "\tfor i in range (-d2.yy, d2.yy) :\n", + "\t\tdate2 = date2 + 366 if isleap(d2.yy) else 365\n", + "\t\n", + "\tfor i in range (-d2.mm, d2.mm) :\n", + "\t\tdate2 = date2 + (30 if (d2.mm==4 or d2.mm==6 or d2.mm==9 or d2.mm==11) else ((29 if isleap(d2.yy) else 28) if d2.mm==2 else 31))\n", + "\t\n", + "\tdate2 = date2 + d2.dd\n", + "\t\n", + "\treturn (date2 - date1)/2\n", + "\t\t\n", + "def DisplayMsg (d1, d2, diff) :\n", + "\tprint ('The difference between %d %d %d and %d %d %d is %d days ' % (d1.dd, d1.mm, -d1.yy, d2.dd, d2.mm, d2.yy, diff))\n", + "\t\n", + "condition = True\n", + "while condition :\n", + "\tprint ('\\nEnter first date: ')\n", + "\td1 = date ()\n", + "\tAcceptDate (d1)\n", + "\t\n", + "\tif ValidateDate (d1) == 1 :\n", + "\t\tcondition = False\n", + "\telse :\n", + "\t\tprint ('\\nDate is incorrect. Enter again ')\n", + "\n", + "condition = True\n", + "while condition :\n", + "\tprint ('\\nEnter second date: ')\n", + "\td2 = date ()\n", + "\tAcceptDate (d2)\n", + "\t\n", + "\tif ValidateDate (d2) == 1 :\n", + "\t\tcondition = False\n", + "\telse :\n", + "\t\tprint ('\\nDate is incorrect. Enter again ')\n", + "\n", + "diff = CalcDate (d1, d2)\n", + "DisplayMsg (d1, d2, diff)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter first date: \n", + "Enter date in dd mm yy format: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Date = 01\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Month = 01\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Year = 01\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter second date: \n", + "Enter date in dd mm yy format: \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Date = 25\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Month = 12\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Year = 08\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The difference between 1 1 1 and 25 12 8 is 2915 days \n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11.13, Page number: 419" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from ctypes import *\n", + "\n", + "# Structure declaration\n", + "class stream (Union) :\n", + "\t_fields_ = [('grade', c_char), \n", + "\t\t\t\t\t('class_std', c_int), \n", + "\t\t\t\t\t('percentage', c_float)]\n", + "\t\n", + "class student (Structure) :\n", + "\t_fields_ = [('roll', c_int), \n", + "\t\t\t\t\t('name', c_char_p), \n", + "\t\t\t\t\t('gender', c_int), \n", + "\t\t\t\t\t('marks', c_int * 3), \n", + "\t\t\t\t\t('st_stream', c_char), \n", + "\t\t\t\t\t('st', stream)]\n", + "\t\n", + "def putdata (stud, count) :\n", + "\tprint ('\\nStream\\t Roll\\t Name\\t Gender\\t Result\\t ')\n", + "\tprint ('---------------------------------------------------------------------')\n", + "\t\n", + "\tfor i in range (0, count) :\n", + "\t\tif stud[i].st_stream == 'A' :\n", + "\t\t\tprint ('Arts\\t '),\n", + "\t\telif stud[i].st_stream == 'S' :\n", + "\t\t\tprint ('Science\\t '),\n", + "\t\telse :\n", + "\t\t\tprint ('Commerce '),\n", + "\t\t\t\n", + "\t\tprint ('%-5d ' % stud[i].roll),\n", + "\t\tprint ('%-3s ' % stud[i].name),\n", + "\t\t\n", + "\t\tif stud[i].gender == 0 :\n", + "\t\t\tprint ('\\tFemale'),\n", + "\t\telse :\n", + "\t\t\tprint ('\\tMale '),\n", + "\t\t\n", + "\t\tif stud[i].st_stream == 'A' :\n", + "\t\t\tprint (' %d Class ' % stud[i].st.class_std),\n", + "\t\telif stud[i].st_stream == 'S' :\n", + "\t\t\tprint (' %c Grade ' % stud[i].st.grade),\n", + "\t\telse :\n", + "\t\t\tprint (' %.2f Percent ' % stud[i].st.percentage),\n", + "\t\tprint\n", + "\n", + "def calculateper (stud, count) :\n", + "\taverage = 0\n", + "\tfor i in range (0, count) :\n", + "\t\tsum = 0\n", + "\t\tfor j in range (0, 3) :\n", + "\t\t\tsum = sum + stud[i].marks[j]\n", + "\t\taverage = (float)(sum/3)\n", + "\t\t\n", + "\t\tif stud[i].st_stream == 'A' :\n", + "\t\t\tif average >= 60 :\n", + "\t\t\t\tstud[i].st.class_std = 1\n", + "\t\t\telse :\n", + "\t\t\t\tstud[i].st.class_std = 2\n", + "\t\t\t\t\n", + "\t\telif stud[i].st_stream == 'S' :\n", + "\t\t\tif average >= 60 :\n", + "\t\t\t\tstud[i].st.grade = 'A'\n", + "\t\t\telse :\n", + "\t\t\t\tstud[i].st.class_std = 'B'\n", + "\t\telse : \n", + "\t\t\tstud[i].st.percentage = average\n", + "\n", + "count = int(raw_input('Enter the number of students in a class : '))\n", + "stud = [student() for i in range (0, count)]\n", + "\n", + "for i in range (0, count) :\n", + "\tstud[i].st_stream = raw_input('\\nEnter stream of student %d (A/C/S) : ' % (i+1))\n", + "\tstud[i].roll = int(raw_input('Enter roll number of student %d : ' % (i+1)))\n", + "\tstud[i].name = raw_input('Enter name of student %d : ' % (i+1))\n", + "\tstud[i].gender = int(raw_input('Enter gender of student %d [0/1] : ' % (i+1)))\n", + "\tprint ('Enter marks of three subjects of student %d : ' % (i+1))\n", + "\tfor j in range (0, 3) :\n", + "\t\tstud[i].marks[j] = int(raw_input('Subject %d : ' % (j+1)))\n", + "\t\n", + "calculateper (stud, count)\n", + "putdata (stud, count)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the number of students in a class : 3\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter stream of student 1 (A/C/S) : A\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter roll number of student 1 : 1\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of student 1 : Saismaran\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter gender of student 1 [0/1] : 1\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter marks of three subjects of student 1 : \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 1 : 65\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 2 : 83\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 3 : 59\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter stream of student 2 (A/C/S) : C\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter roll number of student 2 : 2\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of student 2 : Vidya\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter gender of student 2 [0/1] : 0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter marks of three subjects of student 2 : \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 1 : 84\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 2 : 75\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 3 : 93\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Enter stream of student 3 (A/C/S) : S\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter roll number of student 3 : 3\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter name of student 3 : Pranav\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter gender of student 3 [0/1] : 1\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter marks of three subjects of student 3 : \n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 1 : 84\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 2 : 95\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "Subject 3 : 83\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "\n", + "Stream\t Roll\t Name\t Gender\t Result\t \n", + "---------------------------------------------------------------------\n", + "Arts\t 1 Saismaran \tMale 1 Class \n", + "Commerce 2 Vidya \tFemale 84.00 Percent \n", + "Science\t 3 Pranav \tMale A Grade \n" + ] + } + ], + "prompt_number": 17 + } + ], + "metadata": {} + } + ] +} \ No newline at end of file -- cgit