有人能解释这个吗?
>>> x = x[0] = [0]
>>> x
[[...]]
>>> x is x[0]
True
>>> x[0][0][0][0][0][0][0]
[[...]]
>>> x in x
True
[...]
是什么?
>>> x = x[0] = [0]
>>> x
[[...]]
>>> x is x[0]
True
>>> x[0][0][0][0][0][0][0]
[[...]]
>>> x in x
True
[...]
是什么?