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Luhn test of credit card numbers: Difference between revisions
Luhn test of credit card numbers (view source)
Revision as of 05:22, 15 November 2011
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=={{header|Python}}==
The [http://docs.python.org/py3k/library/functions.html#divmod divmod] in the function below conveniently splits a number into its two digits ready for summing:
<lang python>>>> def luhn(n):
r = [int(ch) for ch in str(n)][::-1]
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