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Class variables in Python

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	`1`	`+`
	`2`	`+# Copyright (C) Deepali Srivastava - All Rights Reserved`
	`3`	`+# This code is part of Python course available on CourseGalaxy.com`
	`4`	`+`
	`5`	`+class Account():`
	`6`	`+ rate = 5`
	`7`	`+ def some_method(self):`
	`8`	`+ print(self.rate, Account.rate, id(self.rate), id(Account.rate))`
	`9`	`+ self.rate = 10`
	`10`	`+ print(self.rate, Account.rate, id(self.rate), id(Account.rate))`
	`11`	`+`
	`12`	`+a1 = Account()`
	`13`	`+a2 = Account()`
	`14`	`+a1.some_method()`

Lines changed: 25 additions & 0 deletions

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	`1`	`+# Copyright (C) Deepali Srivastava - All Rights Reserved`
	`2`	`+# This code is part of Python course available on CourseGalaxy.com`
	`3`	`+`
	`4`	`+class Person:`
	`5`	`+ species = 'Homo sapiens'`
	`6`	`+ count = 0`
	`7`	`+`
	`8`	`+ def __init__(self,name,age):`
	`9`	`+ self.name = name`
	`10`	`+ self.age = age`
	`11`	`+ Person.count+=1`
	`12`	`+`
	`13`	`+ def display(self):`
	`14`	`+ print(f'{self.name} is {self.age} years old')`
	`15`	`+`
	`16`	`+p1 = Person('John',20)`
	`17`	`+p2 = Person('Jack',34)`
	`18`	`+`
	`19`	`+p1.display()`
	`20`	`+p2.display()`
	`21`	`+`
	`22`	`+print(Person.count)`
	`23`	`+p3=Person('Jill', 40)`
	`24`	`+p4=Person('Jane', 35)`
	`25`	`+print(Person.count)`

Lines changed: 22 additions & 0 deletions

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	`1`	`+# Copyright (C) Deepali Srivastava - All Rights Reserved`
	`2`	`+# This code is part of Python course available on CourseGalaxy.com`
	`3`	`+`
	`4`	`+class BankAccount:`
	`5`	`+ rate_of_interest = 5`
	`6`	`+ min_balance = 100`
	`7`	`+ min_balance_fees = 10`
	`8`	`+`
	`9`	`+ def __init__(self,account_number, owner_name, balance):`
	`10`	`+ self.account_number = account_number`
	`11`	`+ self.owner_name = owner_name`
	`12`	`+ self.balance = balance`
	`13`	`+`
	`14`	`+ def withdraw(self,amount):`
	`15`	`+ self.balance -= amount`
	`16`	`+`
	`17`	`+ def deposit(self,amount):`
	`18`	`+ self.balance += amount`
	`19`	`+`
	`20`	`+`
	`21`	`+account1 = BankAccount('7348', 'Tom', 50)`
	`22`	`+account2 = BankAccount('6378', 'Bob', 400)`

Lines changed: 17 additions & 0 deletions

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	`1`	`+# Copyright (C) Deepali Srivastava - All Rights Reserved`
	`2`	`+# This code is part of Python course available on CourseGalaxy.com`
	`3`	`+`
	`4`	`+class Book():`
	`5`	`+ x = 5`
	`6`	`+ def __init__(self):`
	`7`	`+ self.x = 100`
	`8`	`+ def display(self):`
	`9`	`+ print(self.x)`
	`10`	`+ print(Book.x)`
	`11`	`+`
	`12`	`+b = Book()`
	`13`	`+b.display()`
	`14`	`+`
	`15`	`+print(Book.x)`
	`16`	`+print(b.x)`
	`17`	`+`

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