I figured the point was learning a mental model of the solution or how it was arrived at, so this can be reused as a template for different problems. As an asi

I figured the point was learning a mental model of the solution or how it was arrived at, so this can be reused as a template for different problems. As an aside, for non-programming mental models I found the Personal MBA by Josh Kaufman to be fantastic. Its title and marketing cheapen it a bit but the content is on point, extracting the best reusable patterns from graduate business education.