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[Ubuntu] Install and use Python 3.6 and switch to 2.7

Source: Internet
Author: User
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Referenced from: 77502788

Currently using ubuntu14.04

1. Add the python3.6 installation package and install it (you can also go to the official website to download the installation package)

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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. Use which Python to view the directory where Python is installed by default

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

3. Use which python3.6 to view the directory where the python3.6 is installed



4. Replace python2.7 with python3.6

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

In this case, enter Python in the terminal to see:

FINAL: switch to 2.7, in the same vein.

[Ubuntu] Install and use Python 3.6 and switch to 2.7

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