code: def get_lightning_cloud_url() -> str:
      # detect local development
      if os.getenv("VSCODE_PROXY_URI", "").startswith(
          "http://localhost:9800"
      ):
          return "http://localhost:9800"
      # DO NOT CHANGE!
      return os.getenv("LIGHTNING_CLOUD_URL", "https://lightning.ai")
  
file_path: pytorch-lightning/src/lightning/app/core/constants.py
imports: import os
  from pathlib import Path
  from typing import Optional
  import lightning_cloud.env
label_desc: Use image node_id 1 for calling a global function with example usage: get_lightning_cloud_url() and returns: os, str