[Tkinter] GUI Speed

[DPaul]

I shaved a whole 3% off by using Canvas.itemconfig to set the rectangle color instead of deleting all the rectangles

Thanks for your efforts. Any improvement is significant because i view this from the
perspective of many inerations (steps). I will look into the "item-config", which i did not know of.

Your remark about the cells being objects, put me on the trace of another possible improvement.
If i can determine the predominant color beforehand, i don't need to create those objects,
if the canvas is that color already.
If all that is not satisfactory, maybe pygame will come into the picture, which i never used before.

thx,
Paul