ubuntu下安裝python

1．去官網下，https://www.python.org/downloads/source/

２．右鍵解壓縮

３．打開README.rst

４．在裏面找到命令，大概相似這樣

On Unix, Linux, BSD, macOS, and Cygwin::

    ./configure
    make
    make test
    sudo make install

５．make install失敗參考　https://www.cnblogs.com/jellydong/p/7724169.html