code: def main() -> None:
      args = parser.parse_args()
      if not args.bind:
          args.bind = None
  
      server.test(  # type: ignore[attr-defined]
          HandlerClass=MyHTTPRequestHandler,
          protocol="HTTP/1.1",
          port=args.port,
          bind=args.bind,
      )
  
imports: import argparse
  from http import server
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types