centos下查看python的安装目录

直接用python命令，打印sys的path即可：

>>> import sys
>>> print(sys.path)
[\'\', \'/usr/local/lib/python37.zip\', \'/usr/local/lib/python3.7\', \'/usr/local/lib/python3.7/lib-dynload\', \'/usr/local/lib/python3.7/site-packages\']
>>> exit()