```
def findMaxAndMin(L):
if L == []:
return (None, None)
max = L[0]
min = L[0]
for x in L:
min = x if x<min else min
max = x if x>max else max
return (min, max)
markdown 失效了？
Sign in to make a reply
XNOKIA
```
def findMaxAndMin(L):
if L == []:
return (None, None)
max = L[0]
min = L[0]
for x in L:
min = x if x<min else min
max = x if x>max else max
return (min, max)
```