You may find lots of ide tools, type hinting systems and so on. But these are a bit like crutches IMHO. You don't need them to make maintainable code. If your f

You may find lots of ide tools, type hinting systems and so on. But these are a bit like crutches IMHO. You don't need them to make maintainable code. If your functions are small, pure, well-tested then you are good. Small functions are much more maintainable, testable,easy to reason about, etc. So rather than worrying about code completion and type hints. Just try to work in a more functional style. It will pay big dividends.