code: def show():
      
  
      parent = None
      current = QtWidgets.QApplication.activeWindow()
      while current:
          parent = current
          current = parent.parent()
  
      window = (_discover_gui() or _show_no_gui)(parent)
  
      return window
docs: Try showing the most desirable GUI
  
      This function cycles through the currently registered
      graphical user interfaces, if any, and presents it to
      the user.