#!/usr/bin/env python import itertools with open('input2.txt') as f: data = [] for line in f.read().splitlines(): data.append(list(map(int, line.split()))) def part1(): checksum = 0 for row in data: checksum += max(row) - min(row) return checksum def part2(): checksum = 0 for row in data: combos = list(itertools.combinations(row, 2)) for c in combos: a, b = max(c), min(c) if a % b == 0: checksum += a//b return checksum print(part1()) print(part2())