def findMinAndMax(L):
if len(L)==0:
return(None,None)
for i in L:
if len(L)==1:
return(i,i)
else:
i_min=min(L)
i_max=max(L)
return(i_min, i_max)
# 测试
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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拖延症↘患者
def findMinAndMax(L):
if len(L)==0:
return(None,None)
for i in L:
if len(L)==1:
return(i,i)
else:
i_min=min(L)
i_max=max(L)
return(i_min, i_max)
# 测试
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!')