In Python, an abstract class is a class that is designed to be used as a base class and is not meant to be instantiated directly. It typically contains one or more abstract methods that must be ...

Another way to use polymorphism in Python is by combining abstract methods and inheritance. This means that you can define an abstract method in a base class and then override it with different ...

Learn how to implement template method pattern with abstract base classes in Python. This design pattern helps you reuse code, extend functionality, and improve design quality.

This example shows how an abstract base class from the Python standard library can be used as the basis for a custom dictionary type, one where the entries expire after a given length of time, and ...