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| author | kinitrupti | 2017-05-12 18:53:46 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:53:46 +0530 |
| commit | 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d (patch) | |
| tree | 22789c9dbe468dae6697dcd12d8e97de4bcf94a2 /sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb | |
| parent | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (diff) | |
| download | Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.tar.gz Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.tar.bz2 Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.zip | |
Removed duplicates
Diffstat (limited to 'sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb')
| -rwxr-xr-x | sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb | 809 |
1 files changed, 0 insertions, 809 deletions
diff --git a/sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb b/sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb deleted file mode 100755 index 7eb86cba..00000000 --- a/sample_notebooks/NitamoniDas/NitamoniDas_version_backup/Chapter_8_Data.ipynb +++ /dev/null @@ -1,809 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:cceaf517d4ab644356e85522addd8c655c7a27bbc143387c58a9d5656be364df"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.1, page no: 208"
- ]
- },
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 8: Data Abstraction through Classes and User-Defined Data Types "
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Super:\n",
- " def __init__(self):\n",
- " self.__IntegerData=None #private member\n",
- " #public functions\n",
- " def SetData(self,i):\n",
- " self.__IntegerData=i #refer to IntegerData\n",
- " def ShowData(self):\n",
- " print \"Data is \",self.__IntegerData,' '\n",
- "\n",
- "ob1=Super()\n",
- "ob2=Super()\n",
- "ob1.SetData(1000)\n",
- "ob2.SetData(2000)\n",
- "ob1.ShowData()\n",
- "ob2.ShowData()"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Data is 1000 \n",
- "Data is 2000 \n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.2, page no:211"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class X:\n",
- " def __init__(self):\n",
- " self.a=None #private members\n",
- " self.b=None #private members\n",
- " \n",
- "#no structure type present in python \n",
- "x = X()\n",
- "\n",
- "x.a=0\n",
- "x.b=1\n",
- "print \"x.a=\",x.a,\",x.b=\",x.b"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "x.a= 0 ,x.b= 1\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.3, page no:214"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Fraction:\n",
- " \n",
- " def SetValue(self,a,b): #public functions\n",
- " self.__num=a \n",
- " self.__denom=b \n",
- " def GetValue(self,a,b):\n",
- " a=self.__num\n",
- " b=self.__denom\n",
- " \n",
- "f=Fraction()\n",
- "n=input(\"Enter n: \") #user input\n",
- "d=input(\"Enter d: \") #user input\n",
- "print \"enter the numerator and denominator: \", ' ',n,d\n",
- "\n",
- "f.SetValue(n,d) #call function SetValue\n",
- "print \"Numerator value set: \", ' ',n\n",
- "print \"Denominator value set: \", ' ',d\n",
- "f.GetValue(n,d) #call function GetData\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter n: 3\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter d: 4\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "enter the numerator and denominator: 3 4\n",
- "Numerator value set: 3\n",
- "Denominator value set: 4\n",
- "Numerator value retrieved: 3\n",
- "Denominator value retrieved: 4\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.4, page no:216"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class SimpleClass:\n",
- " def __init__(self):\n",
- " self.__i=None #private member\n",
- " \n",
- " def __init__(self):\n",
- " self.__i=500 #constructor\n",
- " \n",
- " def SetData(self,d):\n",
- " self.__i=d\n",
- " \n",
- " def GetData(self):\n",
- " return self.__i\n",
- " \n",
- "#Initializing\n",
- "s1=SimpleClass()\n",
- "s2=SimpleClass()\n",
- "print \"s1 has data: \",s1.GetData()\n",
- "print \"s2 has data: \",s2.GetData()\n",
- "s1.SetData(1000) #function call\n",
- "s2.SetData(2000)\n",
- "print \"s1 has data: \",s1.GetData(),' '\n",
- "print \"s2 has data: \", s2.GetData(),' '\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "s1 has data: 500\n",
- "s2 has data: 500\n",
- "s1 has data: 1000 \n",
- "s2 has data: 2000 \n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.5, page no:217"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class SimpleClass:\n",
- " __IntegerData=None\n",
- " def __init__(self,data=None):\n",
- " if data==None:\n",
- " self.__IntegerData=500 #default constructor\n",
- " else:\n",
- " self.__IntegerData=data #parameterised constructor\n",
- " \n",
- " def SetData(self,d):\n",
- " self.__IntegerData=d\n",
- " \n",
- " def GetData(self):\n",
- " return self.__IntegerData\n",
- " \n",
- "#Initializing\n",
- "s1=SimpleClass()\n",
- "s2=SimpleClass()\n",
- "s3=SimpleClass(400)\n",
- "s4=SimpleClass(600)\n",
- "print \"s1 has data: \",s1.GetData(),' '\n",
- "print \"s2 has data: \",s2.GetData(),' '\n",
- "print \"s3 has data: \",s3.GetData(),' '\n",
- "print \"s4 has data: \",s4.GetData(),' '\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "s1 has data: 500 \n",
- "s2 has data: 500 \n",
- "s3 has data: 400 \n",
- "s4 has data: 600 \n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.6, page no:218"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Fraction: \n",
- " def_init_num=None #private members\n",
- " def_init_denom=None #private members\n",
- " def __init__(self,a=0,b=1):\n",
- " self.__num=a\n",
- " self.__denom=b\n",
- " print \"Numerator set inside constructor\",' ',n\n",
- " print \"Denominator set inside constructor\",' ',d\n",
- " \n",
- " def SetValue(self,a,b):\n",
- " self.__num=a\n",
- " self.__denom=b\n",
- " def GetValue(self,a,b):\n",
- " a= self.__num\n",
- " b= self.__denom\n",
- " return a,b\n",
- " \n",
- " def __del__(self): #destructor\n",
- " pass\n",
- " \n",
- "n=input(\"Enter n: \") #user input\n",
- "d=input(\"Enter d: \") #user input\n",
- "print \"Please enter value of numerator and denominator: \",' ',n,d\n",
- "f=Fraction(n,d)\n",
- "f.GetValue(n,d)\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter n: 3\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter d: 4\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please enter value of numerator and denominator: 3 4\n",
- "Numerator set inside constructor 3\n",
- "Denominator set inside constructor 4\n",
- "Numerator value retrieved: 3\n",
- "Denominator value retrieved: 4\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.7, page no:221"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Fraction:\n",
- " \n",
- " def __init__(self,a=0,b=1): #constructor\n",
- " self.__num=a\n",
- " self.__denom=b\n",
- " print \"Numerator set inside constructor: \",self.__num\n",
- " print \"Denominator set inside constructor: \",self.__denom \n",
- " \n",
- " def GetValue(self,a,b):\n",
- " return self.__num,self.__denom\n",
- "n=input(\"Enter n: \") #user input\n",
- "d=input(\"Enter d: \") #user input\n",
- "print \"Please enter the value of the numerator and denominator: \",n,d\n",
- "f=Fraction(n,d)\n",
- "n,d=f.GetValue(n,d)\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d\n",
- "n=input(\"Please enter the value of numerator only: \")\n",
- "f1=Fraction(n)\n",
- "n,d=f1.GetValue(n,d)\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d\n",
- "print 'ok..now I will create a fraction-no input please'\n",
- "f2=Fraction()\n",
- "n,d=f2.GetValue(n,d)\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter n: 3\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter d: 4\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please enter the value of the numerator and denominator: 3 4\n",
- "Numerator set inside constructor: 3\n",
- "Denominator set inside constructor: 4\n",
- "Numerator value retrieved: 3\n",
- "Denominator value retrieved: 4\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please enter the value of numerator only: 3\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Numerator set inside constructor: 3\n",
- "Denominator set inside constructor: 1\n",
- "Numerator value retrieved: 3\n",
- "Denominator value retrieved: 1\n",
- "ok..now I will create a fraction-no input please\n",
- "Numerator set inside constructor: 0\n",
- "Denominator set inside constructor: 1\n",
- "Numerator value retrieved: 0\n",
- "Denominator value retrieved: 1\n"
- ]
- }
- ],
- "prompt_number": 3
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.8, page no:223"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Fraction:\n",
- " def_init_num=None #private members\n",
- " def_init_denom=None #private members\n",
- " \n",
- " def __init__(self,anotherFraction=None): \n",
- " if anotherFraction==None: #normal constructor\n",
- " self.__num=anotherFraction\n",
- " self.__denom=anotherFraction\n",
- " else: #copy constructor\n",
- " self.__num=anotherFraction.self.__num\n",
- " self.__denom=anotherFraction.self.__denom\n",
- " \n",
- " \n",
- " #public functions\n",
- " def SetValue(self,a,b):\n",
- " self.__num=a\n",
- " self.__denom=b#refer to IntegerData\n",
- " def GetValue(self,a,b):\n",
- " a=self.__num\n",
- " b=self.__denom\n",
- " return a,b\n",
- " \n",
- "f=Fraction()\n",
- "n=input(\"Enter n: \") #user input\n",
- "d=input(\"Enter d: \") #user input\n",
- "print \"enter the numerator and denominator: \", ' ',n,d\n",
- "\n",
- "f.SetValue(n,d) #call function SetValue\n",
- "print \"Numerator value set: \", ' ',n\n",
- "print \"Denominator value set: \", ' ',d\n",
- "f.GetValue(n,d) #call function GetData\n",
- "print \"Numerator value retrieved: \", ' ',n\n",
- "print \"Denominator value retrieved: \", ' ',d\n",
- "print \"Now a second clone copy is being created: \",''\n",
- "f1=f\n",
- "f1.GetValue(n,d)\n",
- "print \"Clone's numerator value retrieved: \", ' ',n\n",
- "print \"Clone's denominator value retrieved: \", ' ',d"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter n: 5\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Enter d: 6\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "enter the numerator and denominator: 5 6\n",
- "Numerator value set: 5\n",
- "Denominator value set: 6\n",
- "Numerator value retrieved: 5\n",
- "Denominator value retrieved: 6\n",
- "Now a second clone copy is being created: \n",
- "Clone's numerator value retrieved: 5\n",
- "Clone's denominator value retrieved: 6\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.9, page no:229"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def MyNewHandler():\n",
- " print \"Sorry operator new failed to allocate memory\"\n",
- " exit(0)\n",
- " \n",
- "def _set_new_handler(s):\n",
- " s()\n",
- "#In python there is no in-built _set_new_handler function, so i made this function and passed MyNewHandler function as a parameters\n",
- "_set_new_handler(MyNewHandler)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Sorry operator new failed to allocate memory\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.10, page no:230"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "from ctypes import * \n",
- "class Fraction: \n",
- " def __init__(self,a=0,b=1): \n",
- " if isinstance(a,int): \n",
- " c = c_int(a) \n",
- " d = c_int(b) \n",
- " self.__num = pointer(c) \n",
- " self.__denom = pointer(d) \n",
- " print 'constructor sets numerator = ', self.__num[0] , ', denominator = ', self.__denom[0] \n",
- " else:\n",
- " c=c_int(a.__num[0])\n",
- " d = c_int(a.__denom[0])\n",
- " self.__num = pointer(c) \n",
- " self.__denom = pointer(d)\n",
- " print 'copy constructor sets numerator = ', self.__num[0] , ', denominator = ', self.__denom[0] \n",
- " \n",
- " def __del__(self): \n",
- " print 'destructor deallocates numerator = ', self.__num[0] , ', denominator = ', self.__denom[0] \n",
- " \n",
- "n = input(\"Please enter values of numerator: \") \n",
- "d = input(\"Please enter values of denominator: \") \n",
- "f = Fraction(n,d) \n",
- "print 'Please enter another set of ' \n",
- "n = input(\"numerator: \") \n",
- "d = input(\"denominator: \") \n",
- "print 'Creating fraction *pf : ' \n",
- "pf = Fraction(n,d) \n",
- "print 'Now a clone copy (f2) created from *pf: ' \n",
- "f2 = Fraction(pf)\n",
- "print 'Now another clone copy (*pf2) created from f:' \n",
- "pf2 = Fraction(f) \n",
- "print '*pf2 is being destroyed:' \n",
- "del pf2\n",
- "print '*pf is being destroyed:' \n",
- "del pf \n",
- "print 'now objects f2 and f automatically destroyed : '"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please enter values of numerator: 3\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please enter values of denominator: 4\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "constructor sets numerator = 3 , denominator = 4\n",
- "Please enter another set of \n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "numerator: 5\n"
- ]
- },
- {
- "name": "stdout",
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "denominator: 6\n"
- ]
- },
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Creating fraction *pf : \n",
- "constructor sets numerator = 5 , denominator = 6\n",
- "Now a clone copy (f2) created from *pf: \n",
- "copy constructor sets numerator = 5 , denominator = 6\n",
- "Now another clone copy (*pf2) created from f:\n",
- "copy constructor sets numerator = 3 , denominator = 4\n",
- "*pf2 is being destroyed:\n",
- "*pf is being destroyed:\n",
- "now objects f2 and f automatically destroyed : \n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.11, page no:234"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "def Memfail(self,s):\n",
- " print \"Sorry Unable to allocate memory\"\n",
- " sys.exit(0)\n",
- "\n",
- "MAX_SIZE = 60 + 1\n",
- "\n",
- "MAX_SIZE=[[0 for col in range(MAX_SIZE)]for row in range(MAX_SIZE)]\n",
- "nChar=0\n",
- "chArr=\"Hello\"\n",
- "\n",
- "print \"Please input a string( 60 characters max.): \",chArr\n",
- "\n",
- "nChar=len(chArr)+1\n",
- "szStr=chArr\n",
- "print \"required memory space for\",nChar,\n",
- "print \"characters\"\n",
- "chArr=szStr #string copy\n",
- "szStr=chArr\n",
- "print \"String copied in allocated space: \",szStr\n",
- "print \"Memory space dellocated\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Please input a string( 60 characters max.): Hello\n",
- "required memory space for 6 characters\n",
- "String copied in allocated space: Hello\n",
- "Memory space dellocated\n"
- ]
- }
- ],
- "prompt_number": 4
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.12, page no:236"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class Fraction:\n",
- " \n",
- " def __init__(self,a=0,b=1): #constructor\n",
- " self.__num=a\n",
- " self.__denom=b\n",
- " \n",
- " def __del__(self): #destructor\n",
- " pass\n",
- " \n",
- " def GetValue(self,a,b):\n",
- " a=self.__num\n",
- " b=self.__denom\n",
- " return self.__num,self.__denom\n",
- "n=4\n",
- "d=5\n",
- "f=Fraction(4,5)\n",
- "n,d=f.GetValue(n,d)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Program Source Code 8.13, page no:239"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "class X:\n",
- " __sa=20 #initialising static member\n",
- " a = None\n",
- " def __init__(self):\n",
- " self.a=None #public member\n",
- " def f(self,b):\n",
- " a=30\n",
- " print \"Global a= \",b\n",
- " print \"Local a= \",a\n",
- " print \"Nonstatic member a= \",self.a\n",
- " print \"static member sa= \",self.__sa\n",
- "\n",
- "a=10\n",
- "\n",
- "aXobj=X()\n",
- "aXobj.a=40\n",
- "aXobj.f(a)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Global a= 10\n",
- "Local a= 30\n",
- "Nonstatic member a= 40\n",
- "static member sa= 20\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |