python class vs static method смотреть онлайн

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in python, methods are an integral part of object-oriented programming (oop). two commonly used types of methods are class methods and static methods. in this tutorial, we'll explore the differences between these two types of methods and provide code examples to illustrate their usage.
a class method is a method that is bound to the class and not the instance of the class. this means it can be called on the class itself or on any instance of the class. class methods are defined using the @classmethod decorator, and they take the class itself (cls) as their first argument.
class methods are often used for operations that are related to the class as a whole, rather than to individual instances. they are commonly used for creating factory methods, manipulating class-level variables, or performing other class-specific operations.
here's an example:
in the above example, we defined a class method get_class_variable to retrieve the value of the class_variable. this method is called on the class itself and can access class-level variables.
a static method is a method that is bound to the class and not the instance of the class, but it doesn't receive any special first argument like cls. static methods are defined using the @staticmethod decorator.
static methods are used when a method is related to a class, but it doesn't depend on the class itself or any of its instances. they are often used for utility functions that are logically connected to the class but don't need access to class-level variables or instance-specific data.
here's an example:
in this example, we defined a mathutils class with static methods add and subtract. these methods are called on the class itself and do not depend on any class-specific data.
in python, class methods and static methods serve different purposes. class methods are used when you need access to or manipulation of class-level data, while static methods are used for utility functions that are logically connected to the class but don't d ...