python class variable inheritance

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in python, class variables are shared among all instances of a class and are also inherited by subclasses. in this tutorial, we will explore the concept of class variable inheritance with code examples. we'll cover the following topics:
let's get started!
class variables are variables that are shared among all instances of a class. they are defined within the class but outside any instance method. class variables are the same for all instances of a class and can be accessed using the class name or an instance of the class.
here's an example of defining and using a class variable:
when you create a subclass (a class that inherits from another class), it inherits all the attributes and methods of the parent class, including class variables. this means that the subclass can access and use the class variables of the parent class.
here's an example:
in the example above, childclass inherits the parent_variable from parentclass.
subclasses can also modify class variables inherited from the parent class without affecting the parent class or other subclasses.
in this example, childclass modifies the parent_variable using the modify_parent_variable method, and the change is reflected in the class variable for the parent class.
that's it! you now understand how class variables work in python and how they are inherited by subclasses. class variables are a powerful tool for sharing data across instances and their subclasses, providing a convenient way to manage shared information in your object-oriented python code.
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