def findMinAndMax(L): if len(L) == 0: return (None,None) maxNum = L[0] minNum = L[0] for n in L: if n > maxNum: maxNum = n if n < minNum: minNum = n return (minNum,maxNum)
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wenyizhen
def findMinAndMax(L): if len(L) == 0: return (None,None) maxNum = L[0] minNum = L[0] for n in L: if n > maxNum: maxNum = n if n < minNum: minNum = n return (minNum,maxNum)