python-protocols

To implement the Sequence protocol in Python, you define special dunder methods like __getitem__ and __len__ to enable indexing and length checks, favoring this duck typing approach over rigid class inheritance for natural object behavior.

Python dunder methods are special hooks in the data model that define how objects behave with built-in functions. You need them to enable natural operations like addition, representation, and iteration for custom classes.

The best way to make Python objects memory-efficient is by defining __slots__ in your class, which prevents the dynamic creation of instance dictionaries and reduces memory overhead for object-oriented applications.

You use the @property decorator to turn methods into managed attributes, allowing controlled access and computation without changing the calling syntax for readable, Pythonic code.

No, implementing the Container protocol does not require inheriting from Python built-ins. You define the __contains__ method directly in your class to support the 'in' operator via duck typing.

You use Python protocols over traditional inheritance to achieve flexible, Pythonic code that integrates seamlessly with built-in functions through duck typing, avoiding the rigidity and deep hierarchies of strict object-oriented design.