Libraries are collections of shared code. They're common in Python, where they're also called "modules," but they're also ...

Simply create a new .py file in the same folder as your main Python code. Then “import” that file as you now know how to do, then access the functions from within that module.

Interested in learning Python? Jack Wallen takes you through your first steps in building a simple application to take user input and write it to a file.