python call class method

Pubblicato il: 11 dicembre 2023
sul canale di: CodeTime

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Certainly! In Python, calling a class method involves invoking a function that is associated with a class rather than an instance of that class. Class methods are defined using the @classmethod decorator, and they take the class itself as the first parameter, conventionally named cls. In this tutorial, I'll walk you through the process of defining and calling class methods in Python with a code example.
Let's create a simple class with a class method. In this example, we'll define a Person class with a class method called from_birth_year.
In the Person class:
Now, let's create instances of the Person class using the class method.
In this code:
When you run the above code, you should see output similar to the following:
The display_info method is called on each instance, displaying their respective information.
In this tutorial, you've learned how to define and call class methods in Python. Class methods are useful when you want to perform actions related to the class itself rather than a specific instance. They are denoted by the @classmethod decorator and take the class as the first parameter (cls).
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