def findMinAndMax(L):
if len(L)==0:
return(None,None)
else:
Min=L[0]
Max=L[0]
for i in L:
if i>Max:
Max=i
elif i<Min:
Min=i
return(Min,Max)
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燕喜泥润
def findMinAndMax(L):
if len(L)==0:
return(None,None)
else:
Min=L[0]
Max=L[0]
for i in L:
if i>Max:
Max=i
elif i<Min:
Min=i
return(Min,Max)