I occasionally like a round of code-golf (e.g. recently) and I try to solve these with R, but this one gave me some hope that I could make use of a really cool feature I knew about in common lisp. lisp is timeless. https://xkcd.com/297 I have occasionally tinkered with lisp - initially because I learned emacs, but later because it’s really interesting and does teach a lot about quoting. Practical Common Lisp is a book I’m still (slowly) making my way through, but it’s a great read so f...