如何我可以設置pythonhome

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我是新的python3我不知道如何在Ubuntu 16.04中設置PYTHONHOME。我試過whereis python它顯示如下這個很多版本它顯示。從這個如何設置pythonhome爲python3.x如何我可以設置pythonhome

[email protected]:~$ whereis python 
    python: /usr/bin/python /usr/bin/python3.5 /usr/bin/python2.7 
      /usr/bin/python3.5m-config /usr/bin/pythnfig 
      /usr/bin/python3.5m /usr/lib/python3.5 /usr/lib/python2.7 
      /etc/python /etc/python3.5 /etc/python2local/lib/python3.5 
      /usr/local/lib/python2.7 /usr/include/python3.5 
      /usr/include/python3.5m 
      /usr/share/usr/share/man/man1/python.1.gz 
[email protected]:~$ echo ${PYTHONPATH} 

[email protected]:~$

來源

2017-08-02 Kurtis john

你問'PYTHONHOME'但呼應'PYTHONPATH' – doelleri

@ doelleri echo'$ {PYTHONPATH}'返回空路徑 –