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@loke @praetor I was secretly hoping you'd provide your even-more-alien language version. :ablobdj:

Question, since you're a little smarter than me: I learned that in Lisp programming, the preferred method is code is easiest understood by the (human) reader. So in this context, one of the cond conditions is (< years 1) which obviously could go below zero, but we humans know it never would.

If a dog is less than a year old, a (human) reader would say "less than a year old", versus the tighter (= years 0) plus however many months.

I think (hope?) the compiler would adjust it exactly the same way.

What is considered better code - the human way or the computer way of writing it?

EDIT: Also, yea, I think you need to prefix the 0.0+ or something (it didn't work for me). The result for 1 year 10 months is 45/2, which is quite a bizarre way to describe a dog's age. I just changed the 10 to 10.0 in the input and it gave me more civilized results. So it can be tamed somehow.

EDIT2: Okay I got it. It works outside the brackets. It definitely needs to be there since 45/2 is such an unintuitive answer.