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Separate words by underscores to improve readability. Having guidelines that you follow and recognize will make it easier for others to read your code. Other people, who may have never met you or seen your coding style before, will have to read and understand your code.

If you have more experience writing Python code, then you may need to collaborate with others.

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It’ll tell an employer that you understand how to structure your code well. Writing clear, readable code shows professionalism. As a beginner, following the rules of PEP 8 can make learning Python a much more pleasant task.įollowing PEP 8 is particularly important if you’re looking for a development job. All this will mean your code is more readable and easier to come back to. You’ll also have commented your code well. You’ll know that you’ve added enough whitespace so it’s easier to follow logical steps in your code. If you follow PEP 8, you can be sure that you’ve named your variables well. If you’re new to Python, it can be difficult to remember what a piece of code does a few days, or weeks, after you wrote it. Every time you go back to that file, you’ll have to remember what that code does and why you wrote it, so readability matters. That piece of code might remain part of a project you’re working on. But you’ll definitely have to read it again. Once you’ve written it, you’re never going to write it again. But why is readability so important? Why is writing readable code one of the guiding principles of the Python language?Īs Guido van Rossum said, “Code is read much more often than it is written.” You may spend a few minutes, or a whole day, writing a piece of code to process user authentication. PEP 8 exists to improve the readability of Python code.

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Set up your development environment so that you can start writing PEP 8 compliant Python codeįree Bonus: 5 Thoughts On Python Mastery, a free course for Python developers that shows you the roadmap and the mindset you’ll need to take your Python skills to the next level.Understand the reasoning behind the guidelines laid out in PEP 8.Write Python code that conforms to PEP 8.

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You can learn about these by reading the full PEP 8 documentation.īy the end of this tutorial, you’ll be able to: It’s aimed at beginner to intermediate programmers, and as such I have not covered some of the most advanced topics. This tutorial outlines the key guidelines laid out in PEP 8. A PEP is a document that describes new features proposed for Python and documents aspects of Python, like design and style, for the community. PEP stands for Python Enhancement Proposal, and there are several of them. The primary focus of PEP 8 is to improve the readability and consistency of Python code. It was written in 2001 by Guido van Rossum, Barry Warsaw, and Nick Coghlan.

PEP 8, sometimes spelled PEP8 or PEP-8, is a document that provides guidelines and best practices on how to write Python code. Watch it together with the written tutorial to deepen your understanding: Writing Beautiful Pythonic Code With PEP 8 Watch Now This tutorial has a related video course created by the Real Python team.