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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_display(cb, pool, params, plane, qwertz):
 """ Draws everything. :param cb: Cursebox instance. :type cb: cursebox.Cursebox :param params: Current application parameters. :type params: params.Params :param plane: Plane containing the current Mandelbrot values. :type plane: plane.Plane :return: """

    cb.clear()
    draw_panel(cb, pool, params, plane)
    update_position(params)  # Update Mandelbrot-space coordinates before drawing them
    draw_menu(cb, params, qwertz)
    cb.refresh()