Python Tutorial for Beginners

I wrote the following function: def _clean_dict(d): return {k: v for k, v in d.items() if v is … Read more Exclude Type In Python Typing Annotation

Assuming I want to write a function that accepts any type of number in Python, I can annotate it as… Read more How To Hint At Number *types* (i.e. Subclasses Of Number) - Not Numbers Themselves?

I am writing a CustomEnum class in which I want to add some helper methods, that would then be avai… Read more Type Hint For Return Value In Subclass

I currently use this strategy when I cannot assign default arguments in a function's signature … Read more Type-hinting Parameters With A Sentinel Value As The Default

TypeVar and NewType seem related but I'm not sure when I'm supposed to use each or what the… Read more What Is The Difference Between Typevar And Newtype?

I've been running into a bit of weirdness with Unions (and Optionals, of course) in Python - na… Read more How Do I Avoid Type Errors When Internal Function Returns 'union' That Could Be 'none'?

Why does Mypy complain that it requires a type annotation for a list comprehension variable, when i… Read more Why Is Mypy Complaining About List Comprehension When It Can't Be Annotated?

Tensorflow is a super heavy import. I want to import it only when it's needed. However, I have … Read more How Can I Keep Imports Lightweight And Still Properly Type Annotate?