python 列子

>>> for i in [1,2,3,4]:print(i)
else:print(i,'我是else')1
2
3
4
4 我是else
>>>
>>> for i in [1,2,3,4]:if i > 2:print(i)
else:print(i,'我是else')3
4
4 我是else
>>>
>>> for i in [1,2,3,4]:if i > 2:print(i)break;
else:print(i,'我是else')3
>>>