difference between classmethod and staticmethod in python
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In Python, both @classmethod and @staticmethod are decorators used to define methods that are associated with a class rather than an instance of the class. However, there are key differences between the two. This tutorial will help you understand the distinctions and provide code examples to illustrate their usage.
The @classmethod decorator is used to define a method that is bound to the class rather than the instance of the class. This means that the method receives the class itself as its first argument, often conventionally named cls. @classmethod is commonly used when you need to perform some action that involves the class, but doesn't depend on a specific instance.
In this example, class_method doesn't depend on any instance-specific data and can access the class variable directly.
The @staticmethod decorator is used to define a static method within a class. Unlike regular methods, static methods don't have access to the instance or the class itself. They are independent of the class and don't take self or cls as their first parameter. @staticmethod is often used for utility functions that don't depend on the state of the instance or the class.
In this example, add and multiply are static methods that operate independently of any class instance.
In summary, @classmethod is used when a method needs access to the class itself and can operate on class-level data. On the other hand, @staticmethod is used for methods that don't depend on the instance or the class and are independent utility functions. Understanding these differences will help you choose the appropriate decorator based on the requirements of your code.
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