old_contents: from __future__ import absolute_import, division, print_function, unicode_literals
  
  from echomesh.network import Address
  
  if __name__ == '__main__':
    print(Address.NAMES)
  
    # ('b8:27:eb:29:8a:ab', '192.168.0.106', 'Chairman')
  
new_contents: from __future__ import absolute_import, division, print_function, unicode_literals
  
  from echomesh.network import Address
  
  if __name__ == '__main__':
    print(Address.NAMES)
  
    # ('b8:27:eb:29:8a:ab', '192.168.0.106', 'Chairman')
    # ('00:1F:5B:33:07:74', '192.168.0.100', 'hofmann')
  
subject: Add mac's configuration into Address.py