Write a definition for a class named Kangaroo with the following methods:

  • An __init__ method that initializes an attribute named pouch_contents to an empty list
  • A method named put_in_pouch that takes an object of any type and adds it to pouch_contents.
class Kangaroo:
""" attributes: pouch_contents""" def __init__(self):
self.pouch_contents = list() def __str__(self):
temp = ''
for s in self.pouch_contents:
temp+=str(s)+ '\n'
return temp def put_in_pouch(self,obj):
self.pouch_contents.append(obj) k = Kangaroo()
k.put_in_pouch(1)
k.put_in_pouch(1.0)
k.put_in_pouch('hello sun')
k.put_in_pouch((1,2,3)) k1 = Kangaroo()
k1.put_in_pouch([1,2,3])
k1.put_in_pouch({'':'sun','':'yu'})
k1.put_in_pouch('this is k1')

from Thinking in Python

Exercises - Kangaroo的更多相关文章

  1. [Bhatia.Matrix Analysis.Solutions to Exercises and Problems]Contents

    I find it may cost me so much time in doing such solutions to exercises and problems....I am sorry t ...

  2. 6656 Watching the Kangaroo

    6656 Watching the KangarooDay by day number of Kangaroos is decreasing just liketiger, whale or lion ...

  3. 46 Simple Python Exercises (前20道题)

    46 Simple Python Exercises This is version 0.45 of a collection of simple Python exercises construct ...

  4. Gym 101981K - Kangaroo Puzzle - [玄学][2018-2019 ACM-ICPC Asia Nanjing Regional Contest Problem K]

    题目链接:http://codeforces.com/gym/101981/problem/K Your friend has made a computer video game called “K ...

  5. State Estimation for Robotics (Tim Barfoot) exercises Answers

    Here are some exercises answers for State Estimation for Robotics, which I did in June, 2017. The bo ...

  6. Linux command line exercises for NGS data processing

    by Umer Zeeshan Ijaz The purpose of this tutorial is to introduce students to the frequently used to ...

  7. 100 numpy exercises

    100 numpy exercises A joint effort of the numpy community The goal is both to offer a quick referenc ...

  8. 46 Simple Python Exercises-Very simple exercises

    46 Simple Python Exercises-Very simple exercises 4.Write a function that takes a character (i.e. a s ...

  9. E - Cheap Kangaroo(求多个数的最大公约数)

    Description There are N kangaroos going out to eat at an Indian restaurant. The ith kangaroo wants t ...

随机推荐

  1. Centos7 + Windows7 双系统

    以前装双系统只要先装Windows7,然后再装Centos7的话,grub会自动添加原有的Windows7系统.不过在新的Centos7中需要手动修改. 步骤如下 $ sudo vi /etc/gru ...

  2. HDU 1272 小希的迷宫(并查集)

    题解: 首先,init,find,union操作都是模版,多敲几遍,在记记,就没问题了. 然后,本题就是多了一个flag数组,记录数据是否出现过,最后记录最小,和最大,遍历一般他们的父亲,只有一个就是 ...

  3. CMake使用教程

    转自 RichardXG 原文 CMake使用教程 CMake是一个比make更高级的编译配置工具,它可以根据不同平台.不同的编译器,生成相应的Makefile或者vcproj项目. 通过编写CMak ...

  4. 基于jquery的表单校验插件 - rjboy的Validform使用体验

    官方地址:http://validform.rjboy.cn/document.html 引用js后再加上以下css就可以使用了 .Validform_checktip{ margin-left:8p ...

  5. firebug下载时出现there was an error loading firebug

    打开Firefox -> Preferences -> Advance ->Certificates 将Query OSCP....前面的checkbox取消

  6. JAVA 拆分窗口

    //拆分窗口 import java.awt.*; import javax.swing.*; public class Jiemian8 extends JFrame{ JSplitPane cf; ...

  7. AJAX跨域调用相关知识-CORS和JSONP

    1.什么是跨域 跨域问题产生的原因,是由于浏览器的安全机制,JS只能访问与所在页面同一个域(相同协议.域名.端口)的内容. 但是我们项目开发过程中,经常会遇到在一个页面的JS代码中,需要通过AJAX去 ...

  8. spring listener引用spring中bean

    在SSH项目开发中,会使用到监听器Listener,并且有时需要在监听器中完成数据库的操作等动作,此时需要在Listener中使用到Spring容器中的Bean.Spring容器本身就是在web.xm ...

  9. Droid VNC Server

    这个app可以在Android开启VNC Server,让其他的VNC Client远程连接手机,不过前提是要ROOT.哎,可惜了. 当然还有另一款替代品Total Control http://ww ...

  10. springMVC整合spring和hibernate4(适合于框架的搭建)

    基础的东西不再详细说明,只在这里说明一下主要的配置文件,如何通过配置文件取得sessionFactory . 步骤: 1:在web.xml中引入springmvc的配置文件springmvc.xml( ...