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