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Implementing Interfaces in Python: From Informal Protocols to Abstract Base Classes

Python Interfaces Abstract Base Classes Duck Typing ABC Module Object-Oriented Design

This article comprehensively explores various approaches to interface implementation in Python, including informal interfaces, abstract base classes (ABC), and third-party library solutions. By comparing with interface mechanisms in languages like C#, it analyzes Python's interface design philosophy under dynamic typing, detailing the usage of the abc module, virtual subclass registration, and best practices in real-world projects.