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Computing greatest common denominator in python

如果你有一个python中的整数列表,比如L = [4,8,12,24] ,你如何计算它们最大的公分母/除数(在这种情况下为4)?

One way to do it is:

import fractions

def gcd(L):
    return reduce(fractions.gcd, L)

print gcd([4,8,12,24])

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