"What else are lists, but alternatives?" (credit to https://aphyr.com/posts/340-reversing-the-technical-interview https://aphyr.com/posts/340-reversing-the-tec

"What else are lists, but alternatives?" (credit to https://aphyr.com/posts/340-reversing-the-technical-interview https://aphyr.com/posts/340-reversing-the-technical-intervie..., I always get a kick out of that and the follow up https://aphyr.com/posts/341-hexing-the-technical-interview https://aphyr.com/posts/341-hexing-the-technical-interview).