code: def create_render_window(actors, callbacks, **kwargs):
      
      # Get keyword arguments
      figure_size = kwargs.get('figure_size', (800, 600))
      camera_position = kwargs.get('camera_position', (0, 0, 100))
  
      # Find camera focal point
      center_points = []
      for actor in actors:
          center_points.append(actor.GetCenter())
      camera_focal_point = linalg.vector_mean(*center_points)
  
      # Create camera
      camera = vtk.vtkCamera()
      camera.SetPosition(*camera_position)
      camera.SetFocalPoint(*camera_focal_point)
  
      # Create renderer
      renderer = vtk.vtkRenderer()
      renderer.SetActiveCamera(camera)
      renderer.SetBackground(1.0, 1.0, 1.0)
  
      # Add actors to the scene
      for actor in actors:
          renderer.AddActor(actor)
  
      # Render window
      render_window = vtk.vtkRenderWindow()
      render_window.AddRenderer(renderer)
      render_window.SetSize(*figure_size)
  
      # Render window interactor
      window_interactor = vtk.vtkRenderWindowInteractor()
      window_interactor.SetRenderWindow(render_window)
  
      # Add event observers
      for cb in callbacks:
          window_interactor.AddObserver(cb, callbacks[cb][0], callbacks[cb][1])  # cb name, cb function ref, cb priority
  
      # Render actors
      render_window.Render()
  
      # Set window name after render() is called
      render_window.SetWindowName("geomdl")
  
      # Use trackball camera
      interactor_style = vtk.vtkInteractorStyleTrackballCamera()
      window_interactor.SetInteractorStyle(interactor_style)
  
      # Start interactor
      window_interactor.Start()
  
      # Return window interactor instance
      return window_interactor
docs: Creates VTK render window with an interactor.
  
      :param actors: list of VTK actors
      :type actors: list, tuple
      :param callbacks: callback functions for registering custom events
      :type callbacks: dict