how to import custom class in python
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sure, here's a step-by-step tutorial on how to import custom classes in python with a code example:
in python, importing custom classes allows you to organize your code into reusable components, making your programs more modular and easier to maintain. here's a guide on how to import custom classes in python:
first, you need to create the custom class you want to import. let's create a simple class called person in a file named person.py:
this class defines a person with a name and an age, along with a method greet() that prints a greeting message.
next, create another python file where you want to use the person class and import it. let's call this file main.py:
in this file, we import the person class from the person module (file). then, we create an instance of person and call the greet() method.
to run the program, execute the main.py file. you should see the output:
module structure: make sure your custom class is in a separate module/file. this helps keep your code organized and makes it easier to maintain.
module naming: follow python's naming conventions for module names. module names should be lowercase and, if multiple words, separated by underscores.
importing specific items: you can import specific items from a module using the from module_name import item_name syntax, as demonstrated above.
importing the entire module: if you want to import the entire module, you can use import module_name. however, this will require you to prefix your class or function calls with the module name, like module_name.person.
avoid circular imports: be cautious to avoid circular imports, where modules import each other recursively. this can cause issues and should be avoided if possible.
by following these steps, you can easily import custom classes in python and leverage the power of object-oriented programming for your projects.
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