怎么查看python的安装目录-Python教程

怎样查看python的装置目次？

linux中普通装置后的默许门路以下

#!/usr/bin/env python 
或许
#!/usr/locat/bin/python

假如不找到，能够经过饬令查问python门路

whereis python
或许
which python

相干保举：《Python教程》

Windows OS

能够经过如下形式查问python门路或许第三方模块装置门路。

>>> import sys
>>> sys.path
['', 'C:\\Python27\\Lib\\idlelib', 'C:\\Python27\\lib\\site-packages\\robotframework_selenium2library-1.5.0-py2.7.egg', 'C:\\Python27\\lib\\site-packages\\docutils-0.14-py2.7.egg', 'C:\\Python27\\lib\\site-packages\\decorator-4.2.1-py2.7.egg', 'C:\\Windows\\system32\\python27.zip', 'C:\\Python27\\DLLs', 'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win', 'C:\\Python27\\lib\\lib-tk', 'C:\\Python27', 'C:\\Python27\\lib\\site-packages', 'C:\\Python27\\lib\\site-packages\\win32', 'C:\\Python27\\lib\\site-packages\\win32\\lib', 'C:\\Python27\\lib\\site-packages\\Pythonwin', 'C:\\Python27\\lib\\site-packages\\wx-2.8-msw-unicode']

cmd目次下运转python -V可查看python版本

修正默许python版本

先查看装置的python门路：

Hansonman@localhost:~$ whereis python python: /usr/bin/python /usr/bin/python3.5 /usr/bin/python2.7-config /usr/bin/python3.5m /usr/bin/python2.7 /usr/lib/python3.5 /usr/lib/python2.7 /etc/python /etc/python3.5 /etc/python2.7 /usr/local/bin/python3.6m-config /usr/local/bin/python3.6-config /usr/local/bin/python3.6m /usr/local/bin/python3.6 /usr/local/lib/python3.5 /usr/local/lib/python3.6 /usr/local/lib/python2.7 /usr/include/python3.5m /usr/include/python2.7 /usr/share/python /usr/share/man/man1/python.1.gz

应用ln -s饬令来修正，饬令以下：

Hansonman@localhost:~$ sudo rm /usr/bin/python
[sudo] password forHansonman: 
Hansonman@localhost:~$ sudo ln -s /usr/bin/python3.5 /usr/bin/python justin18chan@justin18chan:~$ python Python 3.5.2 (default, Feb 28 2018, 10:10:06)

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