Python: Abstract Classes & Interfaces (ABC Module)
Learn the Python abstract class with the ABC (Abstract Base Class) module. Understand @abstractmethod, when to use abstract classes vs duck typing, and how to enforce method contracts across your class hierarchies. “A good design principle: always program to an interface, not an implementation.” Gang of Four, Design Patterns Last Updated: July 2026 | Tested on: Python 3.14.6 | Difficulty: Intermediate | Reading Time: 12 minutes Prerequisites: Inheritance, Polymorphism A Python abstract class is a checklist that your subclasses are ... Read More
