code: def theme_update(**kwargs: themeable):
      """
      Modify elements of the current theme
  
      Parameters
      ----------
      kwargs : dict
          Theme elements
      """
      assert "complete" not in kwargs
      theme_set(theme_get() + theme(**kwargs))
  
imports: from __future__ import annotations
  import typing
  from copy import copy, deepcopy
  from typing import overload
  from ..exceptions import PlotnineError
  from ..options import get_option, set_option
  from .themeable import Themeables, themeable
label_desc: Use image node_id 3 for calling a global function with example usage: theme_update() without return types