列表 骑猪看日落 2021-11-11 09:32 241阅读 0赞 [列表][Link 1] 列表的引入: a1 = "老王" a2 = "老李" a3 = "老刘" \#列表 names = \["老王","老李","老刘"\] \#定义了一个列表 nums = \[11,22,3.14,"100","laowang","老李"\] \#可以存储不同类型的数据 列表的增删改查: **append**添加到原有列表的最后 names.append("老赵") \# \["老王","老李","老刘","老赵"\] names.append("悟空") \# \["老王","老李","老刘","老赵","悟空"\] **insert** name.insert(位置,要添加的内容) names.insert(0,"八戒") \# \["八戒","老王","老李","老刘","老赵","悟空"\] names.insert(2,"沙僧") \# \["八戒","老王","沙僧","老李","老刘","老赵","悟空"\] names2 = \["葫芦娃","叮当猫","猴子"\] 合并两个列表: name3 = **names + names2** \# \["八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫","猴子"\] names.**extend**(names3) \#压栈 \["八戒","老王","沙僧","老李","老刘","老赵","悟空","八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫","猴子"\] names.**pop**() \#弹栈 返回"猴子" 列表剩余:\["八戒","老王","沙僧","老李","老刘","老赵","悟空","八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫"\] 注意: li = \[23,24,25,26\] li1 = \[31,32\] 区别: li.extend(li1) \# \[23, 24, 25, 26, 31, 32\] li.append(li1) \# \[23, 24, 25, 26, \[31, 32\]\] names.**remove**("老王") \#根据内容删除,只删除一次 列表剩余:\["八戒","沙僧","老李","老刘","老赵","悟空","八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫"\] names\[0\] names\[1\] names\[2\] **names\[2:5\] ** \# \["老李","老刘","老赵"\] del **names\[0\]** \# 删除"八戒" \["沙僧","老李","老刘","老赵","悟空","八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫"\] **总结:** **添加新元素:** **append()** **insert()** **extend()** **删除元素:** **pop() ->删除最后一个** **remove() ->根据内容删除** **del xxx\[下标\] ->根据下标来删除** 查询:**in not in** name\[0\] = "沙师弟" \# 改 \["沙师弟","老李","老刘","老赵","悟空","八戒","老王","沙僧","老李","老刘","老赵","悟空","葫芦娃","叮当猫"\] if "老赵" in names: print("找到了...") if "老赵" not in "names": print("可以添加老赵") posted on 2019-07-28 13:34 [qiaoliang0302][] 阅读( ...) 评论( ...) [编辑][Link 2] 收藏 转载于:https://www.cnblogs.com/ql0302/p/11258690.html [Link 1]: https://www.cnblogs.com/ql0302/p/11258690.html [qiaoliang0302]: https://www.cnblogs.com/ql0302/ [Link 2]: https://i.cnblogs.com/EditPosts.aspx?postid=11258690
相关 如何从列表列表中制作平面列表? 问题描述: 我想展平这个列表列表: [[1, 2, 3], [4, 5, 6], [7], [8, 9]] 进入: [1, 2, 3, 4, 5, 柔情只为你懂/ 2024年03月31日 17:16/ 0 赞/ 55 阅读
相关 python 复制列表内容_Python复制列表列表 参见英文答案 > How to clone or copy a list? 14个 > 「爱情、让人受尽委屈。」/ 2023年01月09日 00:48/ 0 赞/ 184 阅读
相关 列表 1、无序列表 <ul> <li>列表项1</li> <li>列表项2</li> <li>列表项3</li> </ul £神魔★判官ぃ/ 2022年06月14日 05:42/ 0 赞/ 251 阅读
相关 HTML的无序列表、有序列表、自定义列表 HTML的无序列表: 1.无序列表是一个项目的列表,此列项目使用粗体圆点(典型的小黑圆圈)进行标记。 无序列表始于 <ul 标签。每个列表项始于 <li。 > 2.无 落日映苍穹つ/ 2022年02月15日 18:25/ 0 赞/ 760 阅读
相关 列表 [列表][Link 1] 列表的引入: a1 = "老王" a2 = "老李" a3 = "老刘" \列表 names = \["老王","老李","老刘"\ 骑猪看日落/ 2021年11月11日 09:32/ 0 赞/ 242 阅读
相关 列表 ![image.png][] <!DOCTYPE html> <html> <head> <title>hello world</title 小咪咪/ 2021年11月02日 00:56/ 0 赞/ 225 阅读
相关 列表[] 1. 什么是列表 列表是一个可变的数据类型 列表由\[\]来表示, 每一项元素使用逗号隔开. 列表什么都能装. 能装对象的对象. 列表可以装大量的数据 2. 列 ╰半橙微兮°/ 2021年09月30日 05:56/ 0 赞/ 292 阅读
相关 列表 ![image.png][] <!DOCTYPE html> <html> <head> <title>hello world</title 左手的ㄟ右手/ 2021年09月19日 11:08/ 0 赞/ 280 阅读
还没有评论,来说两句吧...