什么是Python？Python的设计哲学？如何获取/升级Python？

• Python?

Python（英国发音：/ˈpaɪθən/ 美国发音：/ˈpaɪθɑːn/）

Python的创始人为吉多·范罗苏姆（Guido van Rossum）。

1989年的圣诞节期间，吉多·范罗苏姆为了在阿姆斯特丹打发时间，决心开发一个新的脚本解释程序，作为ABC语言的一种继承。

之所以选中Python作为程序的名字，是因为他是BBC电视剧——蒙提·派森的飞行马戏团（Monty Python‘s Flying Circus）的爱好者。

 

Import this

 

1. Beautiful is better than ugly.
2. Explicit is better than implicit.
3. Simple is better than complex.
4. Complex is better than complicated.
5. Flat is better than nested.
6. Sparse is better than dense.
7. Readability counts.
8. Special cases aren't special enough to break the rules.
9. Although practicality beats purity.
10. Errors should never pass silently.
11. Unless explicitly silenced.
12. In the face of ambiguity, refuse the temptation to guess.
13. There should be one-- and preferably only one --obvious way to do it.
14. Although that way may not be obvious at first unless you're Dutch.
15. Now is better than never.
16. Although never is often better than *right* now.
17. If the implementation is hard to explain, it's a bad idea.
18. If the implementation is easy to explain, it may be a good idea.

 

 

官网：www.python.org

任何一台Linux系统上   

PythonXY, portable python   

 

RedHat升级Python版本

 

    1. Python版本：

    # python -V

   

    2.1 下载Python

    2.2 解压缩Python-3.4.7.tgz安装包

              tar -zxvf Python-3.4.7.tgz

 

    2.3 进入解压后的目录并进行编译安装

    cd Python-3.4.7

    mkdir /usr/local/python3.4.7

    ./configure --prefix=/usr/local/python3.4.7

    make

    make install

      #备份python旧版本信息

    mv /usr/bin/python /usr/bin/python2.6_old

    #删除旧链接并重新创建链接

    rm /usr/bin/python2

    ln -s /usr/bin/python2.6_old /usr/bin/python2

    #重新建立Python3.4.7的环境变量

    ln -s /usr/local/python3.4.7/bin/python3.7 /usr/bin/python

Hello world!：>>> print ("hello world")