There are several ways to delete elements from a list. If you know the index of the element you want, you can use pop:

pop modifies the list and returns the element that was removed.

If you don’t need the removed value, you can use del operator:


If you know the element you want to remove (but not the index), you can use remove:

The return value from remove is None.

To remove more than one element, you can use del with a slice index:

As usual, the slice selects all elements up to, but not including, the second index.

from Thinking in Python

Deleting elements的更多相关文章

  1. Array类

    class Array Arrays are ordered, integer-indexed collections of any object. Array indexing starts at ...

  2. Java性能提示(全)

    http://www.onjava.com/pub/a/onjava/2001/05/30/optimization.htmlComparing the performance of LinkedLi ...

  3. Think Python - Chapter 10 - Lists

    10.1 A list is a sequenceLike a string, a list is a sequence of values. In a string, the values are ...

  4. vector list array deque

    因此在实际使用时,如何选择这三个容器中哪一个,应根据你的需要而定,一般应遵循下面 的原则:   1.如果你需要高效的随即存取,而不在乎插入和删除的效率,使用vector   2.如果你需要大量的插入和 ...

  5. Unix Shells: Bash, Fish, Ksh, Tcsh, Zsh

    Hyperpolyglot Unix Shells: Bash, Fish, Ksh, Tcsh, Zsh grammar | quoting and escaping | charactersvar ...

  6. Multidimensional Arrays

    Overview An array having more than two dimensions is called a multidimensional array in the MATLAB® ...

  7. Dom4j学习笔记

    一.Loading XML Data 以下代码从File中或一个URL中读取一个XML文件,并产生一个Document对象.一个Document对象表示了内存中的一棵XML树,可以在这个XML树中进行 ...

  8. Ultimate guide to learning AngularJS in one day

    What is AngularJS? Angular is a client-side MVC/MVVM framework built in JavaScript, essential for mo ...

  9. Read-Copy Update Implementation For Non-Cache-Coherent Systems

    A technique for implementing read-copy update in a shared-memory computing system having two or more ...

随机推荐

  1. [CSS3] Image Width with sizes (srcset & sizes)

    What if the image won't be displayed at the full viewport width? Then you need something more than s ...

  2. Linux 截图

    方法一:快捷键截图 对整个屏幕截图: PrintScreen 对活动窗体截图: Alt+PrintScreen 对随意矩形截图: Shift+PrintScreen 以上三个快捷键再加上Ctrl.就会 ...

  3. pcap网络抓包 无法import pcap

    坑爹的不知道从哪里看到说仅仅有pcap最多仅仅支持到python2.5,然后又是easy install又是安装pip就是无法成功import pcap... 我的python版本号是2.7.8. s ...

  4. int *p,cons int *p,int const *p,int * const p,const int * const p,int const * const p的差别

     加有constkeyword的几种情况的辨析 const修饰的代码 含义(特点) 等价性 int *p = # 1.       能够读自己 2.       能够通过*p改自己 ...

  5. Android自己定义矩形及selector、shape的使用

    [声明]转载请注明出处.此文出自指尖飞落的博客:http://blog.csdn.net/huntersnail --每天写一篇博客.每天做一点技术积累! Android自己定义矩形及selector ...

  6. mvc架构的简单登录系统,jsp

    文件结构 三个jsp文件负责前段界面的实现 login.jsp <%@ page language="java" import="java.util.*" ...

  7. awk双文件互相匹配查找

    awk双文件互相匹配查找 要求: 文件a:  10/05766798607,11/20050325191329,29/0.1,14/05766798607  10/05767158557,11/200 ...

  8. 解决局域网内无法IP访问IIS已发布的网站

    在IIS上发布的网站,本地可以访问,但是局域网内其他电脑却访问不了,原来是防火墙的问题,关闭它就可以访问了. 上面是我的简单操作 后来又百度了一下,发现有个更详细的操作:http://jingyan. ...

  9. python 3.x 学习笔记8 (os模块及xml修改)

    1.os模块操作 os.getcwd():                                       # 查看当前所在路径. os.listdir(path):            ...

  10. sftp权限

    用户: t1 t2 根目录: /home/data/ /home/data/t1/ drwxr-xr-x. 2 t1 t1 4096 Mar 24 17:26 t1 /home/data/t2/ dr ...