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Python's special methods like len and add let custom classes mimic built-in types, enabling expressive code with len(obj) or obj + other. Essential for intuitive class behavior.
Learn how to write unit tests for Python classes to ensure code reliability, catch bugs early, and maintain clean, efficient development practices.
Python's @classmethod decorator allows methods to operate on the class itself, not just instances, enabling alternative constructors and class-level functionality.
Using __slots__ in Python reduces memory by preventing dynamic attribute storage in __dict__, optimizing performance for classes with many instances.
Static methods in Python help organize code within classes by grouping utility functions that don't need access to instance or class data.
Class docstrings should clearly explain the class's purpose, usage, and key methods to help developers understand and use it effectively.