On 24/03/13 21:09, John Bochicchio wrote: > 4. I'm new to python, but I assume the error must have something to do > with not having a way for the program to move to the next area of the code. Bob already gave you the clue. Look atyou code for window. What does it return? -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/