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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 entrypoint for command-line webserver. """

    parser = argparse.ArgumentParser()
    parser.add_argument("-H", "--host", help="Web server Host address to bind to",
                        default="0.0.0.0", action="store", required=False)
    parser.add_argument("-p", "--port", help="Web server Port to bind to",
                        default=8080, action="store", required=False)
    args = parser.parse_args()

    logging.basicConfig()
    run(host=args.host, port=args.port, reloader=True, server=SERVER)