Functions and their roles in code organization

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Python modules are files that contain code and definitions of functions, classes, and variables that can be used in other programs. They allow you to organize your code into logical blocks, making it easier to read and reuse.

Python modules can be imported into other programs using the `import` keyword. Once a module is imported, you can use its functions, classes, or variables by specifying the module name and the object name separated by a dot.

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For example, suppose we have a module called `math_utils.py` that contains a function greece email list `addition()`. We can import this function and use it in another program:


Python modules can also have variables, classes, and other data structures that can be used in applications. It is important to note that modules allow you to separate your code into separate components, making your code more organized and easier to maintain.

In addition to Python's built-in modules, there is a large library of third-party modules that can be installed using the `pip` package management tool. These modules provide additional functionality and features for various types of projects, such as database work, web development, image processing, and more.