Python is best thought of as a dynamic but strongly typed language ... Python has had the ability to “annotate” names with type information, in one form or another. With Python 3.5, type ...

[See "Introducing Mypy, an Experimental Optional Static Type Checker for Python" and "Python's Mypy—Advanced Usage".] For people (like me) who have enjoyed dynamic languages for a long time, Mypy ...

“At our scale—millions of lines of Python—the dynamic typing in Python made code needlessly hard to understand and started to seriously impact productivity,” he writes. In fact, type ...