Python 3 Deep Dive Part 4 Oop High Quality Apr 2026

def get_balance(self): return self.__balance

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. python 3 deep dive part 4 oop high quality

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. def get_balance(self): return self

class Shape: def area(self): pass

def charge_battery(self): print("The battery is charging.") python 3 deep dive part 4 oop high quality