Why has no one mentioned the Python 3.5 has type hinting? https://docs.python.org/3/library/typing.html https://docs.python.org/3/library/typing.html The PEP

Why has no one mentioned the Python 3.5 has type hinting? https://docs.python.org/3/library/typing.html https://docs.python.org/3/library/typing.html The PEP 484 proposal: https://www.python.org/dev/peps/pep-0484/ https://www.python.org/dev/peps/pep-0484/