Previously, Python required using the typing module to provide tools for describing such types. As of Python 3.9, they can be done natively in Python: dict_of_users: dict ...

Mypy also includes a tool called mypyc, which compiles type-decorated Python into a C module.It can speed up type-decorated code bases, so it could be considered an experimental way to make Python ...

One of the most popular answers is a system known as mypy, which takes advantage of Python 3's type annotations for its own purposes. ... I've grabbed Sequence from the typing module, which includes ...