def findMinAndMax(L):
if L==[]:
x=y=None
else:
for x in L:
x=min(L)
for y in L:
y=max(L)
return(x,y)
if findMinAndMax([]) != (None, None):
print('测试失败!')
elif findMinAndMax([7]) != (7, 7):
elif findMinAndMax([7, 1]) != (1, 7):
elif findMinAndMax([7, 1, 3, 9, 5]) != (1, 9):
print('测试成功!')
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牛顿的烈焰激光剑
def findMinAndMax(L):
if L==[]:
x=y=None
else:
for x in L:
x=min(L)
for y in L:
y=max(L)
return(x,y)
if findMinAndMax([]) != (None, None):
print('测试失败!')
elif findMinAndMax([7]) != (7, 7):
print('测试失败!')
elif findMinAndMax([7, 1]) != (1, 7):
print('测试失败!')
elif findMinAndMax([7, 1, 3, 9, 5]) != (1, 9):
print('测试失败!')
else:
print('测试成功!')