new_contents: from manager import Manager
  from manager_D3S import Manager_D3S
  import os
  import multiprocessing
  
  def start_dosenet():
      os.system('./dosenet.sh start')
  def start_D3S():
      os.system('./D3S.sh start')
      
      
  if __name__ == '__main__':
      p = multiprocessing.Process(target=start_D3S, args=())
      t = multiprocessing.Process(target=start.dosenet, args=())
      try:
          print('starting')
          p.start()
          t.start()
          print('started')
      except:
          pass
  
subject: Create master_manager.py