You make a good point, and there is definitely some value to including that step (although it would be only another 2 lines of code actually.) I considered putt

You make a good point, and there is definitely some value to including that step (although it would be only another 2 lines of code actually.) I considered putting it in, but didn't because of the following: 1. The only leap of logic required is to realize that the two options are mutually exclusive: either you win by staying or you win by switching. There is no alternative. 2. Writing the code in that concise form, I believe the inherent structure of the problem is much clearer than the mess of classes and function calls.