Changed print statement

server.py

@@ -19,7 +19,7 @@ port = int(sys.argv[1])
 server_address = ("", port)
 sock.bind(server_address)
 
-print ('starting up on %s port %s' % server_address)
+print ('starting up on interface ' + server_address[0] + ', port ' + server_address[1])
 print ("ctrl-c aborts server")
 
 #process requests forever