摘要: 1.li = ["alex","tom","mike","god","merffy"](1)a = len(li)print(a)(2)li.append("seven")print(li)(3)li.insert(0,"tony")print(li)(4)li[1] = li[1].replace 阅读全文
posted @ 2019-03-16 15:14 编程小白ZJX 阅读(218) 评论(0) 推荐(0) 编辑