code: def set_home_dir(path: str) -> None:
      r"""Set the cache directory used for storing all :pyg:`PyG`-related data.
  
      Args:
          path (str): The path to a local folder.
      """
      global _home_dir
      _home_dir = path
  
imports: import os
  import os.path
  from typing import Optional
label_desc: Use image node_id 2 for calling a global function with example usage: set_home_dir(path) without return types