摘要: 列表classmates = ['Michael', 'Bob', 'Tracy']classmates.append('tom')print classmates# classmates.insert(7,'tom1')classmates.pop(0)classmates[0]='mark'pr 阅读全文
posted @ 2017-06-29 16:02 Tom_怪老头儿 阅读(780) 评论(1) 推荐(0) 编辑