Python自学:第四章 复制列表(1)
# -*- coding: GBK -*- my_foods = ['pizza', 'falafel', 'carrot cake']
friend_foods = my_foods[:] print("My favorite foods are:")
print(my_foods) print("\nMy friend's favorite foods are:")
print(friend_foods)
输出为:
My favorite foods are:
['pizza', 'falafel', 'carrot cake'] My friend's favorite foods are:
['pizza', 'falafel', 'carrot cake']
Python自学:第四章 复制列表(1)的更多相关文章
- Python自学:第四章 切片
# -*- coding: GBK -*- players = ['charles', 'martina', 'michael', 'florence', 'eli'] print(players[0 ...
- Python自学:第三章 确定列表长度
>>> cars = ["bmw", "audi", "toyota", "subaru"] > ...
- Python自学:第三章 在列表末尾添加元素与在列表中插入元素
motorcycles = ['honda', 'yamaha' ,'suzuki'] motorcycles.insert(0, "ducati") print(motorcyc ...
- Python自学:第三章 修改列表元素
motorcycles = ['honda', 'yamaha', 'suzuki'] print(motorcycles) motorcycles[0] = 'ducati' print(motor ...
- Python自学:第三章 使用列表中的各个值
bicycles = ['trek','cannondale','redline','specialized'] message = "My first bicycle was a &quo ...
- Python自学:第三章 访问列表元素
#输出并首字母大写 bicycles = ['trek','cannondale','redline','specialized'] print(bicycles[0].title()) 输出为: T ...
- Python自学:第四章 遍历切片
# -*- coding: GBK -*- players = ['charles', 'martina', 'michael', 'florence', 'eli'] print("Her ...
- Python自学:第四章 在for循环结束后执行一些操作
# -*- coding: GBK -*- magicians = ['alice', 'david', 'carolina'] for magician in magicians: print(ma ...
- Python自学:第四章 在for循环中执行更多操作(2)
# -*- coding: GBK -*- magicians = ['alice', 'david', 'carolina'] for magician in magicians: print(ma ...
随机推荐
- Keepalived高可用服务
Keepalived高可用服务 避免负载均衡服务出现单点问题 高可用服务原理 Keepalived的工作原理: Keepalived高可用对之间是通过VRRP通信的,因此,我从 VRRP开始了解起: ...
- 企业级NginxWeb服务优化实战(下)
企业级NginxWeb服务优化实战(下) 4. Nginx站点目录及文件URL访问控制 4.1 根据扩展名限制程序和文件访问 Web2.0时代,绝大多数网站都是以用户为中心多的,例如:bbs,blog ...
- 利用ARIMA算法建立短期预测模型
周五福利日活动是电信为回馈老用户而做的活动,其主要回馈老用户的方式是让用户免费领取对应的优惠券,意在提升老用户的忠诚度和活跃度.今日,为保证仓库备货优惠券资源充足,特别是5元话费券等,需要对该类优惠券 ...
- Coin Slider
题目描述 You are playing a coin puzzle. The rule of this puzzle is as follows: There are N coins on a ta ...
- [转载]图文详解YUV420数据格式
原博主的博客为:https://www.cnblogs.com/azraelly/archive/2013/01/01/2841269.html YUV格式有两大类:planar和packed.对于p ...
- 一键对centos7.6安装python3环境已经pip3
1 yum -y install "Development tools" 2 yum -y install zlib-devel bzip2-devel openssl-devel ...
- leetcode-160周赛-5241-铺瓷砖
题目描述: 方法一:动态规划 class Solution: def f(self, n, m): if n < m: n, m = m, n if (n, m) in self.mem: re ...
- list去重jdk1.8
List<Object> newList = ll.stream().distinct().collect(Collectors.toList()); //jdk8去重操作
- MySQL常用操作2
MySQL常用操作2 判断函数 IF(expr, value1, value2) -- 如果表达式expr为true,则返回value1,否则返回value2 IFNULL(value1, val ...
- luoguP1288 取数游戏II [博弈论]
题目描述 有一个取数的游戏.初始时,给出一个环,环上的每条边上都有一个非负整数.这些整数中至少有一个0.然后,将一枚硬币放在环上的一个节点上.两个玩家就是以这个放硬币的节点为起点开始这个游戏,两人轮流 ...