> button = tkinter.Button(frame, text='Up', command=click_up) > button = tkinter.Button(frame, text='Down', command=click_down)
> when I first looked at it I thought it would not work, thinking that the > second reference to button = would over write the first one. It DOES overwrite it, in this sense: The first button is a thing that exists because Button() generates it. "button" is a word you can now use to refer to that thing. Later on, the second call to Button() generates a new, separate thing. "button" is now a word you can use to refer to the second thing, but *the first thing doesn't cease to exist*. Alan _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
