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作业

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JoyElaine

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

def findMinMax(L): l=len(L) if l==0: return(None,None) else: min=L[0] max=L[0] n=0 for x in L: while(n<l): if L[n]>max: max=L[n] if L[n]<min: min=L[n] n=n+1 return(min,max) print(findMinMax([])) print(findMinMax([7])) print(findMinMax([7,1])) print(findMinMax([7,1,3,9,5]))

(None, None) (7, 7) (1, 7) (1, 9)


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