What is modules in python? Why we use it?

Question

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Answer 1

A module allows you to logically organize your Python code. Grouping related code into a module makes the code easier to understand and use. A module is a Python object with arbitrarily named attributes that you can bind and reference.

Simply, a module is a file consisting of Python code. A module can define functions, classes and variables. A module can also include runnable code.

Answer 2

Modules in Python are simply Python files with the .py extension, which implement a set of functions. Modules are imported from other modules using the import command. ... The first time a module is loaded into a running Python script, it is initialized by executing the code in the module once
https://docs.python.org/3.3/tutorial/modules.html