Python3 method of quickly verifying credit card number by Luhn algorithm

Source: Internet
Author: User
In this paper, the method of Python3 to quickly verify credit card number by Luhn algorithm is described. Share to everyone for your reference. The specific analysis is as follows:

Python3 Fast verification of credit card numbers with the Luhn algorithm, Python is cool, simple three lines of code to verify that the credit card number is valid

def luhn_check (num):  ' number-list of reversed digits ' '  digits = [INT (x) for x in reversed (str (num))]  Ch Eck_sum = SUM (digits[::2]) + SUM ((DIG//10 + dig%10) for dig in [2*el for El in Digits[1::2]])  return check_sum%10 = = 0 if __name__ = = "__main__":  print (Luhn_check (543298376))

It is hoped that this article is helpful to everyone's Python3 program design.

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