需要确定初始比较值,即从L的第一个值开始。
def findMinAndMax(*L): if len(L) == 0: return (None, None) min = max = L[0] for i in L: if i <= min: min = i if i >= max: max = i return (min,max)
L = [1,2,4,5,6,0] findMinAndMax(*L) Out[39]: (0, 6)
#测试 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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向阳
需要确定初始比较值,即从L的第一个值开始。