code: def get_option(key: str) -> Any:
      """Return the current value of a given Streamlit config option.
  
      Run `streamlit config show` in the terminal to see all available options.
  
      Parameters
      ----------
      key : str
          The config option key of the form "section.optionName". To see all
          available options, run `streamlit config show` on a terminal.
      """
      with _config_lock:
          config_options = get_config_options()
  
          if key not in config_options:
              raise RuntimeError('Config key "%s" not defined.' % key)
          return config_options[key].value
  
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 3 for calling a global function with example usage: get_option(key) and returns: config_options