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嘻哈小凡

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def findMinAndMax(L) : ... if L == [] : ... return(None,None) ... else : ... Max = L[0] ... Min = L[0] ... for n in L : ... if n >= Max : ... Max = n ... elif n <= Min : ... Min = n ... return(Min,Max) ... if findMinAndMax([]) != (None, None): ... print('测试失败!') ... elif findMinAndMax([7]) != (7, 7): ... print('测试失败!') ... elif findMinAndMax([7, 1]) != (1, 7): ... print('测试失败!') ... elif findMinAndMax([7, 1, 3, 9, 5]) != (1, 9): ... print('测试失败!') ... else: ... print('测试成功!') ... 测试成功!

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