def findMinAndMax(L):
if not isinstance(L, (list)):
return '请输入一个list'
if len(L) == 0:
return (None, None)
else:
Max = Min = L[0]
for i in L:
if i >= Max:
Max = i
if i <= Min:
Min = i
return (Min, Max)
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微辣二毛
def findMinAndMax(L):
if not isinstance(L, (list)):
return '请输入一个list'
if len(L) == 0:
return (None, None)
else:
Max = Min = L[0]
for i in L:
if i >= Max:
Max = i
if i <= Min:
Min = i
return (Min, Max)