查询python的安装路径

参考链接：

https://blog.csdn.net/orangleliu/article/details/44907221

(tf_14) novak@novak-ZBook15G2:~$ python -c "from distutils.sysconfig import get_python_lib; print (get_python_lib())"

/home/novak/tf_14/lib/python2.7/site-packages

(tf_14) novak@novak-ZBook15G2:~$ python -c "import os; print os.__file__"

/home/novak/tf_14/lib/python2.7/os.pyc

(tf_14) novak@novak-ZBook15G2:~$ python -c "import sys; print sys.executable"

/home/novak/tf_14/bin/python