code: def msgbox(msg="(Your message goes here)", title=" ",
             ok_button="OK", image=None, root=None):
      
      if not isinstance(ok_button, ut.str):
          raise AssertionError(
              "The 'ok_button' argument to msgbox must be a string.")
  
      return bb.buttonbox(msg=msg,
                          title=title,
                          choices=[ok_button],
                          image=image,
                          root=root,
                          default_choice=ok_button,
                          cancel_choice=ok_button)
docs: Display a message box
  
      :param str msg: the msg to be displayed
      :param str title: the window title
      :param str ok_button: text to show in the button
      :param str image: Filename of image to display
      :param tk_widget root: Top-level Tk widget
      :return: the text of the ok_button