Discuss / Python / 迭代查找一个list中最小和最大值,并返回一个tuple

迭代查找一个list中最小和最大值,并返回一个tuple

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just!smile

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    if len(L) == 0:

        return (None, None)

    else:

        a = [L[0], L[0]]

        for i in L:

            if i < a[0]:

                a[0] = i

            elif i > a[1]:

                a[1] = i

        return (a[0], a[1])


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