Yet another Tic-Tac-Toe (with AI, using tkinter)

[GOTO10]

Really good code.... though i am finding it difficult to win :)

Thank you! My wife deserves most of the credit for the AI, as she beat it several times when I thought I was already done coding.

empty lines are your friend

Point taken, and I agree. I've changed up my style a bit in the code I'm working on now, including the addition of more white space for readability.