Python3通过Luhn算法快速验证信用卡卡号的方法

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Release: 2016-06-06 11:16:15
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本文实例讲述了Python3通过Luhn算法快速验证信用卡卡号的方法。分享给大家供大家参考。具体分析如下:

Python3通过Luhn算法快速验证信用卡卡号,python用起来就是爽,很简单的三行代码就可以验证信用卡卡号是否有效

def luhn_check(num):
  ''' Number - List of reversed digits '''
  digits = [int(x) for x in reversed(str(num))]
  check_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))

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希望本文所述对大家的Python3程序设计有所帮助。

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