config parser in python

 import configparser

config = configparser.ConfigParser()
config['DEFAULT'] = {'ServerAliveInterval': '45',
                      'Compression': 'yes',
                      'CompressionLevel': '9'}
config['bitbucket.org'] = {}
config['bitbucket.org']['User'] = 'hg'
config['topsecret.server.com'] = {}
topsecret = config['topsecret.server.com']
topsecret['Port'] = '50022'     # mutates the parser
topsecret['ForwardX11'] = 'no'  # same here
config['DEFAULT']['ForwardX11'] = 'yes'
with open('example.ini', 'w') as configfile:
   config.write(configfile)
   
   
# =============================================================================
# 
# =============================================================================


config = configparser.ConfigParser()
config.sections()
#[]
config.read('example.ini')
#['example.ini']
config.sections()
#['bitbucket.org', 'topsecret.server.com']
'bitbucket.org' in config
#True
'bytebong.com' in config
#False
config['bitbucket.org']['User']
#'hg'
config['DEFAULT']['Compression']
#'yes'
topsecret = config['topsecret.server.com']
topsecret['ForwardX11']
#'no'
topsecret['Port']
#'50022'
for key in config['bitbucket.org']:  
     print(key)
#user
#compressionlevel
#serveraliveinterval
#compression
#forwardx11
config['bitbucket.org']['ForwardX11']
#'yes'