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PEP 8 is Python's style guide. It's a set of rules for how to format your Python code to maximize its readability. Writing code to a specification helps to make large code bases, with lots of writers, more uniform and predictable, too.
You can read PEP 8 online. There are also sites like PythonChecker that'll check your code for you.
Your IDE may also have built-in or installable PEP8 linting!
You can also check your code in Workspaces by using flake8 <script_name.py>
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