python get environment variables

python get environment variables

refer to
/2/library/

Use Get Environment Variable Dictionary

import os

 env_dist = # environ is a dict environment = {}

 print env_dist.get('JAVA_HOME')
 print env_dist['JAVA_HOME']

 # Print all environment variables and traverse the dictionary
 for key in env_dist:
     print key + ' : ' + env_dist[key]