摘要: P28 复制 1 a = [1,2,3,[1,2]] 2 b = a 3 b is a # True 4 c = list[a] # shallow copy 5 c is a # False 6 c[3][0] = 100 7 a # [1,2,3,[100,2]] 8 import copy 9... 阅读全文
posted @ 2014-08-07 15:20 mess4u 阅读(180) 评论(0) 推荐(0)