Simple Tkinter problem

Neil Cerutti horpner at
Tue Nov 7 15:47:29 CET 2006

On 2006-11-07, gmarkowsky at <gmarkowsky at> wrote:
> I'm trying to write a GUI that will put up multiple widgets in
> succession. My problem is that each widget also contains the
> previous widgets when they pop up. How do I reinitialize the
> widget each time so that it doesn't contain earlier ones?

Show your code.

> Actually, another question I have is, is there a way to set
> python so that it will assume any undefined variable is 0 or
> ''? That is, I have several statements like "If k > 0 then so
> and so" and I would like it to assume k=0 unless I tell it
> otherwise. I've just been defining k=0 at the start of the
> program but it seems there should be a better way.

The best way to do it is to never use undefined names.

Neil Cerutti
If only faces could talk. --Pat Summerall

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