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learn-python is another repository by Oleksii Trekhleb that serves as both a playground and an interactive cheatsheet for learning Python. It contains numerous Python scripts organized by topic (lists, dictionaries, loops, functions, classes, modules, etc.), each with code examples, explanations, test assertions, and links to further readings. The design supports “learn by doing”: you can modify the code, run the tests, see how behavior changes, and thus internalize Python language features, idioms, and good style practices (including linting and PEP8). Because it is organized in bite-sized chunks, it’s ideal for beginners or people refreshing their Python skills who want to revisit syntax and common patterns before moving into larger frameworks or applications. It also supports usage as a reference: if you forgot how a list comprehension works or how decorators behave, you can quickly open the relevant script.
Features
- Organized topic-based scripts with explanations and example code (e.g., lists, functions, classes)
- Interactive tests/assertions so you can run code and verify its behavior immediately
- Style checking support (e.g., flake8) to reinforce Python best practices and readability
- Links to further readings for each topic so you can deepen knowledge
- Suitable both as a learning environment and a quick syntax reference/cheatsheet
- Free and open for modification so learners can experiment with code and iterate
Project Samples
