"Linux" Ubuntu installation Python3

Narrative:

Ubuntu17.04 comes with Python2.7 and Python3.5.3 version, because Python2 and Python3 have some gaps may need to install the update Python3 version, and switch the default Python interpreter.

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Get the latest Python source through wget, the latest version of this article is python3.6.3 (HTTPS://WWW.PYTHON.ORG/FTP/PYTHON/3.6.3/PYTHON-3.6.3.TAR.XZ)

wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tar.xz

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Unzip the downloaded original file.

tar -xvf python-3.6. 3. tar. XZ

　　

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CD to the newly unzipped directory, compile and install the source files

CD python-3.6. 3
./configure
Make
Make install

　　

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Give Python3 an alias: Alias Python=python3

Alias Python=python3

"Linux" Ubuntu installation Python3