new_contents: class Data_Handler_D3S(object):
  
    def __init__(self,
                 manager=None,
                 verbosity=1,
                 ):
                 
      self.v = verbosity
      set_verbosity(self)
      
      self.manager = manager
      self.queue = deque('')
      
      
  
subject: Create data_handler_d3s.py