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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def main():
 """Main method for debug purposes."""

    parser = argparse.ArgumentParser()
    group_tcp = parser.add_argument_group('TCP')
    group_tcp.add_argument('--tcp', dest='mode', action='store_const', const=PROP_MODE_TCP, help="Set tcp mode")
    group_tcp.add_argument('--host', dest='hostname', help="Specify hostname", default='')
    group_tcp.add_argument('--port', dest='port', help="Specify port", default=23, type=int)
    group_serial = parser.add_argument_group('Serial')
    group_serial.add_argument('--serial', dest='mode', action='store_const', const=PROP_MODE_SERIAL, help="Set serial mode")
    group_serial.add_argument('--interface', dest='interface', help="Specify interface", default='')
    group_file = parser.add_argument_group('File')
    group_file.add_argument('--file', dest='mode', action='store_const', const=PROP_MODE_FILE, help="Set file mode")
    group_file.add_argument('--name', dest='file', help="Specify file name", default='')
    args = parser.parse_args()

    kwb = KWBEasyfire(args.mode, args.hostname, args.port, args.interface, 0, args.file)
    kwb.run_thread()
    time.sleep(5)
    kwb.stop_thread()
    print(kwb)