def findMinAndMax(L):
if len(L) == 0:
return (None, None)
min=L[0]
max=L[0]
for i in L:
if i<min:
min=i
if i>max:
max=i
# pass
return(min,max)
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岁羽谌谌
def findMinAndMax(L):
if len(L) == 0:
return (None, None)
min=L[0]
max=L[0]
for i in L:
if i<min:
min=i
if i>max:
max=i
# pass
return(min,max)