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 ...

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 ...