[root@hzwebserver02 ~]#export PYTHONPATH='/var/bbb'
[root@hzwebserver02 ~]#echo $PYTHONPATH
/var/bbb
[root@hzwebserver02 ~]#python
Python 2.7.5 (default, Apr 10 2015, 08:09:05)
[GCC 4.8.3 20140911 (Red Hat 4.8.3-7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/usr/lib/python2.7/site-packages/setuptools-17.1.1-py2.7.egg', '/usr/lib/python2.7/site-packages/pylint-1.0.0-py2.7.egg', '/usr/lib/python2.7/site-packages/nose-1.3.7-py2.7.egg', '/usr/lib/python2.7/site-packages/s3cmd-1.6.1-py2.7.egg', '/var/bbb', '/usr/lib64/python27.zip', '/usr/lib64/python2.7', '/usr/lib64/python2.7/plat-linux2', '/usr/lib64/python2.7/lib-tk', '/usr/lib64/python2.7/lib-old', '/usr/lib64/python2.7/lib-dynload', '/usr/lib64/python2.7/site-packages', '/usr/lib64/python2.7/site-packages/gtk-2.0', '/usr/lib/python2.7/site-packages']
>>>