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用户5374996158

#1 Created at ... [Delete] [Delete and Lock User] 
# -*- coding:utf-8 -*-

def findMinAndMax(L):
    if len(L) == 0:
        return (None, None)
    else:
        Min = L[0]
        Max = L[0]
        for i, v in enumerate(L):
            if Min > L[i]:
                Min = L[i]
            elif Max < L[i]:
                Max = L[i]
        return (Min, Max)

#测试
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用户5374996158

#2 Created at ... [Delete] [Delete and Lock User]

看同学们的答案，还可以更简单。

# -*- coding:utf-8 -*-

def findMinAndMax(L):
    if len(L) == 0:
        return (None, None)
    else:
        Min = Max = L[0]
        for i in L:
            if Min > i:
                Min = i
            elif Max < i:
                Max = i
        return (Min, Max)
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