Revisiting Racket: Advent of Code 2025 Day 2

Day 2 of doing advent of code using Racket . Let&rsquo;s go! Before we discuss my solution, read the problem statement here . Now, for the first puzzle. Puzzle 1 Parsing As usual, we need to first start with parsing the input. The input is given as a single line with comma-separated ranges , where each range is of the form "start-end" where both start and end are numbers. ( define (strip string)…