Python Typing Static Typing with Python typing — Support for type hints Python Type Checker Tools ty pyrefly mypy pyright Related links Pyrefly vs. ty: Comparing Python’s Two New Rust-Based Type Checkers To Type or Not to Type? Python type hints: *args and **kwargs Research about Keyword (**kwargs), TypedDict & Unpack https://typing.python.org/en/latest/spec/callables.html#unpack-for-keyword-arguments https://peps.python.org/pep-0646/ https://peps.python.org/pep-0692/ https://github.com/python/cpython/blob/3.13/Lib/typing.py#L1827-L1874 https://daniel.feldroy.com/posts/2025-07-unpack-for-keyword-arguments