摘要: s7day102 内容回顾: 1. 练习题 val = [[11,22],[44,55],[66,77],] val[0].append(33) for item in val: item.append(33) permission_list = [ {'id':1, 'title':'权限1',' 阅读全文
posted @ 2018-01-18 13:55 九二零 阅读(90) 评论(0) 推荐(0)