text: """Utility functions for notion-sdk-py."""
  from typing import Any, Dict
  from urllib.parse import urlparse
  from uuid import UUID
  
  
  def pick(base: Dict[Any, Any], *keys: str) -> Dict[Any, Any]:
      """Return a dict composed of key value pairs for keys passed as args."""
      return {key: base[key] for key in keys if key in base}
  
  
  def get_url(object_id: str) -> str:
      """Return the URL for the object with the given id."""
      return "https://notion.so/" + UUID(object_id).hex
  
  
  def get_id(url: str) -> str:
      """Return the id of the object behind the given URL."""
      parsed = urlparse(url)
      if parsed.netloc not in ("notion.so", "www.notion.so"):
          raise ValueError("Not a valid Notion URL.")
      path = parsed.path
      if len(path) < 32:
          raise ValueError("The path in the URL seems to be incorrect.")
      raw_id = path[-32:]
      return str(UUID(raw_id))
  