Not a learning source per se, but a good tool to learn "best practices" is using ruff [0] as your linter. I enabled nearly all the rules it has available. And

Not a learning source per se, but a good tool to learn "best practices" is using ruff [0] as your linter. I enabled nearly all the rules it has available. And I've learned so much from it. [0]: https://beta.ruff.rs https://beta.ruff.rs