python class global variables

Pubblicato il: 23 settembre 2023
sul canale di: PythonGPT

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in python, class global variables are variables that are shared among all instances (objects) of a class. they are defined within the class but outside of any methods, making them accessible to all instances of the class. in this tutorial, we will explore the concept of class global variables and provide code examples to illustrate their usage.
let's start by creating a simple python class that contains a global variable:
in the code above:
now, let's create instances of the myclass class and see how we can use the global variable:
here's what each part of the code does:
the output of the code will be as follows:
as you can see, the global variable global_var is shared among all instances of the myclass class. when we increment it using obj1, the change is reflected in all instances.
in this tutorial, we learned about python class global variables and how they are shared among all instances of a class. global variables can be useful for maintaining state that needs to be shared across multiple objects of the same class. however, use them with caution, as overuse of global variables can make your code less modular and harder to maintain.
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