How do I implement abstract base classes?

Abstract Base Classes (ABCs) in Python provide a way to define abstract methods that must be implemented within any subclass. This allows for a clear contract for derived classes and can facilitate the implementation of polymorphism.

abstract base class, ABC, Python, object-oriented programming, interface, polymorphism

This guide provides an overview of how to implement abstract base classes in Python using the abc module, ensuring that subclasses implement the required methods.

from abc import ABC, abstractmethod class MyAbstractClass(ABC): @abstractmethod def my_abstract_method(self): pass class MyConcreteClass(MyAbstractClass): def my_abstract_method(self): print("Implementing the abstract method.") # Usage concrete_instance = MyConcreteClass() concrete_instance.my_abstract_method()

abstract base class ABC Python object-oriented programming interface polymorphism

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