docs: def show(key=None, display_toolbar=True):
      """Shows the current context figure in the output area.
  
      Parameters
      ----------
  
      key : hashable, optional
          Any variable that can be used as a key for a dictionary.
      display_toolbar: bool (default: True)
          If True, a toolbar for different mouse interaction is displayed with
          the figure.
  
      Raises
      ------
  
      KeyError
          When no context figure is associated with the provided key.
  
      Examples
      --------
  
          >>> import numpy as np
          >>> import pyplot as plt
          >>> n = 100
          >>> x = np.arange(n)
          >>> y = np.cumsum(np.random.randn(n))
          >>> plt.plot(x,y)
          >>> plt.show()
  
      """
      if key is None:
          figure = current_figure()
      else:
          figure = _context['figure_registry'][key]
      if display_toolbar:
          if not hasattr(figure, 'pyplot'):
              figure.pyplot = Toolbar(figure=figure)
          display(VBox([figure, figure.pyplot]))
      else:
          display(figure)