[ubuntu]安装并使用python 3.6及与2.7的切换

参考自:https://blog.csdn.net/qq_15695761/article/details/77502788

当前使用ubuntu14.04

1.添加python3.6安装包,并安装(也可以去官网下载安装包)

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  1. <code class="language-python">sudo apt-get install software-properties-common</code>  
  1. sudo add-apt-repository ppa:jonathonf/python -3.6
  2. sudo apt-get update
  3. sudo apt-get install python3 .6

2.用which python查看默认安装python的目录

  1. cd /usr/bin
  2. sudo rm python

3.用which python3.6查看安装python3.6的目录



4.用python3.6替换python2.7

sudo ln -s /usr/local/bin/python3.6 /usr/bin/python

这时在终端中输入python可看到:

FINAL:切换到2.7,同理。

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转载自www.cnblogs.com/Dar-/p/9277081.html