Your contribution cannot be approved because it is not as informative as other contributions. See the Utopian Rules. Contributions need to be informative and descriptive in order to help readers and developers understand them.

Explanation:

• the GitHub repo you linked to, is 9 months old, probably is written by somebody else, and does the exact same thing as you are trying to teach. (Only your code is less elegant). I won't call it "plagiarism" but it's not original either!
• your tutorial doesn't provide the full Python3 script,
• if you want to contribute more Python3 tutorials - you're welcome!- but at least then try to explain in a step-by-step fashion how the Python 3 language works, or explain how to implement / use a certain module (included in the standard lib, or external), but do not publish tutorials for very trivial examples: now you picked the Pythagorean Theorem (c^2 = a^2 + b^2), and I don't think any serious Python developer is interested in a tutorial to solve that Theorem,
• but any beginner Pythonista is interested in good tutorials explaining language and/or module concepts.

Good luck on your next Python3 tutorial!

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