Thank you very much. That was a great help. I briefly considered the lambda idea, but since I really don't understand the whole lambda thing (I used an explanation from effbot for my buttons...but didn't really know what I was doing) ... didn't even attempt it. The one that was really driving me crazy was the clear form thing. I tried your idea of changing the focus before calling the tkmessagebox. Worked like a champ!
Lambdas are quite nice - they let you create a single, one line function with minimal effort.
def add(x, y):
return x + y
add2 = lambda x, y: x + y
add(2, 3) # Returns 5
add2(2, 3) # Also returns 5
I highly recommend firing up your interpreter and playing around with lambda functions. There are only a few places that they're appropriate, but they make those few things a _lot_ easier.