def findMinAndMax(L): if not isinstance(L, (list)): return("输入的不是列表参数，请输入正确的列表") else: if len(L) == 0: return "None None" max = min = L[0] for x in L: if x <= min: min = x elif x >= max: max = x return min, max
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草莓Z葵
def findMinAndMax(L): if not isinstance(L, (list)): return("输入的不是列表参数，请输入正确的列表") else: if len(L) == 0: return "None None" max = min = L[0] for x in L: if x <= min: min = x elif x >= max: max = x return min, max