def findMinAndMax(L):
minnum=0
maxnum=0
if len(L)>0:
minnum=maxnum=L[0]
for i,value in enumerate(L):
if value>maxnum:
maxnum=value
elif value<minnum:
minnum=value
else:
return(None,None)
return (minnum, maxnum)
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琳小果不爱吃胡萝卜
def findMinAndMax(L):
minnum=0
maxnum=0
if len(L)>0:
minnum=maxnum=L[0]
for i,value in enumerate(L):
if value>maxnum:
maxnum=value
elif value<minnum:
minnum=value
else:
return(None,None)
return (minnum, maxnum)