1 # -*- coding: utf-8 -*-
3 def get_validation_digit(number
):
4 """ Calculates the validation digit for the given number. """
6 dvs
= [4, 3, 6, 7, 8, 9, 2]
9 for i
in range(0, len(number
)):
10 sum = (int(number
[-1 - i
]) * dvs
[i
] + sum) % 10
