borg.py

class Borg:
 __shared_state = {}

 def __init__(self):
 self.__dict__ = self.__shared_state
 self.state = 'Running'

 def __str__(self):
 return self.state

if __name__ == '__main__':
 rm1 = Borg()
 rm2 = Borg()

 print('rm1 state: {}'.format(rm1))
 print('rm2 state: {}'.format(rm2))

 rm2.state = 'Idle'

 print('rm1 state: {}'.format(rm1))
 print('rm2 state: {}'.format(rm2))

 print('rm1 id: {}', id(rm1))
 print('rm2 id: {}', id(rm2))