def findMinandMax(L):
if L==[]:
return (None,None)
else:
max_1=L[0]
min_1=L[0]
for i in L:
if i<min_1:
min_1=i
elif i> max_1:
max_1=i
return (min_1,max_1)
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用户7424820678
def findMinandMax(L):
if L==[]:
return (None,None)
else:
max_1=L[0]
min_1=L[0]
for i in L:
if i<min_1:
min_1=i
elif i> max_1:
max_1=i
return (min_1,max_1)