What is the difference between classmethod and staticmethod?

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In Python, both @classmethod and @staticmethod are used to define methods that are not regular instance methods, but they serve different purposes and have key differences in how they access class or instance data.

1. @classmethod

• A class method takes the class itself as the first parameter, traditionally named cls.

• It can access and modify class state (i.e., class variables), but not instance-specific data.

• It's useful for creating factory methods or working with class-level data.

2. @staticmethod

• A static method does not take self or cls as its first parameter.

• It behaves like a regular function but belongs to the class's namespace.

• It cannot access or modify class or instance data directly.

• It's useful for utility functions that are related to the class but don’t need access to the class or instance.

In summary, use @classmethod when you need to access or modify class state, and @staticmethod when you just need a function grouped within a class for organization.

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