Revisiting Racket: Advent of Code 2025 Day 1

I&rsquo;ve been meaning to revisit Racket for a very long time. It was the functional programming language that was taught in IIT Bombay Programming Paradigms course, which was my favorite computer science course of all time. When I heard that Advent of Code was starting soon, I thought this was the best time to revisit Racket, and re-learn the language while solving all the puzzles. Day 1 puzzles…