Learn how to use Python’s optional type-hinting syntax to create cleaner and more useful code.

Python is dynamically typed, but supports the use of type hints via the typing module to allow third-party tools to verify Python programs. Python 3.8 adds new elements to typing to make more ...

I've grabbed Sequence from the typing module, which includes all three Python sequence types—strings, lists and tuples. Once I do that, all of the mypy problems disappear, because all of the arguments ...