text: import sys
  from datetime import timedelta
  
  from thespian.actors import ActorSystem
  
  
  if __name__ == "__main__":
      # We take the convention leaders address from the command line
      # Also, we tag this system with "Client"
      capabilities = {"Convention Address.IPv4": (sys.argv[1], 1900), "Client": True}
      actor_system = ActorSystem("multiprocTCPBase", capabilities)
      # We create an actor from the echo library with class EchoRequestor
      echo_app = actor_system.createActor("echo.EchoRequestor")
      # Send the echo actor a message: the number of echo requests it should perform
      actor_system.tell(echo_app, int(sys.argv[2]))
      # Now, send the echo payload, and wait max. 10s for an answer
      resp = actor_system.ask(echo_app, "hello world", timedelta(seconds=10))
      while resp:
          # If we get "echo_done" as an answer we break out
          if resp == "echo_done":
              break
          # Otherwise we'll retry to get a response
          print("unexpected message {}".format(resp))
          resp = actor_system.listen(timedelta(seconds=10))
  