code: def delete(
      port: Optional[int], api: str, prefix: Optional[str] = None
  ) -> None:
      request("delete", port, api, prefix=prefix)
  
file_path: nni/nni/experiment/rest.py
imports: import logging
  from typing import Any, Optional
  import requests
label_desc: Use image node_id 5 for calling a global function with example usage: delete(port, api, prefix) without return types