Python 3 Deep Dive Part 4 Oop High Quality [upd] -

Abstract classes and interfaces are used to define a blueprint for other classes to follow. An abstract class is a class that cannot be instantiated on its own and is meant to be inherited by other classes.

account = BankAccount("1234567890", 1000) print(account.get_balance()) # Output: 1000 account.deposit(500) print(account.get_balance()) # Output: 1500 python 3 deep dive part 4 oop high quality

Polymorphism is the ability of an object to take on multiple forms. This can be achieved through method overriding or method overloading. Method overriding occurs when a child class provides a different implementation of a method that is already defined in its parent class. Abstract classes and interfaces are used to define