With all sorts of IDE for strongly typed languages such as Java can know return value type of variable parameters, writing code to help you fast completion,
In Python seem to feel everything here is Object, and to get Object don't know, but you know what type IDE to write code should not be rapid completion
Use docstrings can complete some type hinting for dict list set this collection, inside the object types in Pycharm seems to still can't anticipation
What method in dict () let IDE know inside of K, V is what type? Not a thing in the, IDE can help you,,,