如果我有以下Python代码
>>> x = []
>>> x = x + [1]
>>> x = x + [2]
>>> x = x + [3]
>>> x
[1, 2, 3]
x
是否保证永远是[1,2,3]
,或者临时元素的其他顺序是否可能?
如果我有以下Python代码
>>> x = []
>>> x = x + [1]
>>> x = x + [2]
>>> x = x + [3]
>>> x
[1, 2, 3]
x
是否保证永远是[1,2,3]
,或者临时元素的其他顺序是否可能?
是的,python列表中元素的顺序是持久的.