code: def _server_address() -> Optional[str]:
      """The address where the server will listen for client and browser
      connections. Use this if you want to bind the server to a specific address.
      If set, the server will only be accessible from this address, and not from
      any aliases (like localhost).
  
      Default: (unset)
      """
      return None
  
imports: import copy
  import os
  import secrets
  import threading
  from collections import OrderedDict
  from typing import Any, Callable, Dict, Optional, cast
  import toml
  from blinker import Signal
  from streamlit import config_util, development, env_util, file_util, util
  from streamlit.config_option import ConfigOption
  from streamlit.errors import StreamlitAPIException
label_desc: Use image node_id 13 for calling a global function with example usage: _server_address() and returns: None