python use class from another file
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Certainly! In Python, you can use classes defined in another file by importing the module containing the class. Below is a step-by-step tutorial with code examples to illustrate how to use a class from another file.
Let's create a file named my_class_module.py with a simple class definition.
Now, let's create a file named main.py where we will import and use the MyClass from my_class_module.py.
Save both files in the same directory and run the main.py file. You can do this in a terminal or command prompt:
In main.py, the line from my_class_module import MyClass imports the MyClass class from the my_class_module module.
Once imported, you can create an instance of MyClass and use its methods as if it were defined in the same file.
The _init_ method is the constructor, and the greet method is a simple method that prints a greeting message.
By running main.py, you should see the output: Hello, John!, indicating that the class from another file is successfully imported and used.
This modular approach is beneficial for organizing code into manageable and reusable components. It allows you to keep your codebase clean and maintainable by separating different functionalities into distinct files or modules.
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