Python 3 introduced the idea of "type annotations," and as of Python 3.6, you can annotate variables, not just function parameters and return values. The idea is that you can put a colon (:) and then ...

This function takes two parameters: ... Pyrefly and Ty: Two new Rust-powered Python type-checking tools compared. Jun 25, 2025 5 mins. how-to. Get started with Python type hints.

Supply keyword arguments to the constructor, for year, month, ... Rust 1.88 adds support for naked functions. By Paul Krill. Jun 26, ... Get started with Python type hints. Jun 18, 2025 10 mins.