code: def main():
      
      args = parse_input()
      args.lock = True
      args.question = []
      args.all = False
      args.timeout = 0
      args.verbose = False
      args.interactive = False
  
      try:
          assign = assignment.load_assignment(args.config, args)
  
          msgs = messages.Messages()
  
          lock.protocol(args, assign).run(msgs)
      except (ex.LoadingException, ex.SerializeException) as e:
          log.warning('Assignment could not instantiate', exc_info=True)
          print('Error: ' + str(e).strip())
          exit(1)
      except (KeyboardInterrupt, EOFError):
          log.info('Quitting...')
      else:
          assign.dump_tests()
docs: Run the LockingProtocol.