norm input, scale output

from functools import partial


def scale(min_v, max_v, min_unit, max_unit, voltage):
    v_range = max_v - min_v
    u_range = max_unit - min_unit
    norm = (voltage - min_v) / v_range
    return norm * u_range + min_unit

minimum_voltage = 0
maximum_voltage = 10
minimum_distance = 10 # cm
maximum_distance = 100 # cm

distance1 = partial(scale, minimum_voltage, maximum_voltage, minimum_distance, maximum_distance)
print(distance1(5))