[RFC] Typings

[Bernardoow]

Is your feature request related to a problem? Please describe.
This is not a problemn but a just a enhancement to reads of the code.

Describe the solution you'd like
The suggestion is to put the type os variables on the code. This suggestion is follwing the PEP 484 - Type Hints.

Example ->

def plus(x, y): to def plus(x: float, y: float) -> float:

Additional context
https://docs.python.org/3/library/typing.html

[Entitet]

This feature request seems to have been adressed. Can this issue be considered resolved, or are there still some enhancement to be made?