#!/usr/bin/env python3 # -*- coding: utf-8 -*- import re def mul(m:str) -> int: pattern = r"(\d+),(\d+)" match = re.search(pattern, m) return int(match.group(1)) * int(match.group(2)) def parse_mul(l:str) -> int: result = 0 pattern = r'mul\(\d+,\d+\)' matches = re.findall(pattern, l) print(matches) for match in matches: result += mul(match) return result if __name__ == "__main__": solution = 0 input_file = open("input.txt", "r") for line in input_file: solution += parse_mul(line) input_file.close() print(f'Solution:{solution}')