1 c=[[0]*3 for i in range(3)] 2 3 c=[[0 for i in range(3)] for i in range(3)] 相关文章： 2021-10-05 2021-09-23 2022-12-23 2022-12-23 2022-12-23 2021-07-14 2021-08-09 2022-12-23