code: def main():
      FLAGS = parser.parse_args()
  
      broker_rpc = moolib.Rpc()
      broker_rpc.set_name("broker")
      broker = moolib.Broker(broker_rpc)
      broker_rpc.listen(FLAGS.address)
  
      print("Broker listening at %s" % FLAGS.address)
  
      try:
          while True:
              broker.update()
              time.sleep(0.25)
      except KeyboardInterrupt:
          pass
  
imports: import moolib
  import argparse
  import time
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types