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[AshMLondon]

Hello. I don't know if you're still working on / maintaining your minesweeper program?

I found it yesterday and was having a play - thanks for sharing/making public.

I saw you had a ToDo to set a fixed number of mines - so I've added functionality to do just that.

I also fixed a bug - on my system at least - where the window didn't close when the game ends and you say no you don't want to continue -- which then causes and error next time you run.

I'm quite new to Git (and Python) and have never done a pull request before, so hope I'm doing this right....

Ashley