scale.py

from typing import Union

def scale(x: Union[int|float], 
    min_x: Union[int|float], max_x: Union[int|float],  
    a: Union[int|float], b: Union[int|float]) -> float: 
    """
    Scale a number x relative to domain [min_x, max_x] to a domain [a,b]

    Parameters:
            x (int|float): The value to scale
            min_x (int|float): Lower bound of the domain x is coming from 
            max_x (int|float): Upper bound of the domain x is coming from
            a (int|float): Lower bound of the target domain
            b (int|float): Upper bound of the target domain

    Returns:
            scaled_x (float): The scaled value of x

    """
    return (b-a) * (x-min_x) / (max_x-min_x) + a