#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Sun Dec  1 11:41:41 2024

@author: bernie
"""
with open("01_input.txt", "r") as inpt_file:
    inpt = [line.split("   ") for line in inpt_file.readlines()]

left_list = sorted(int(line[0]) for line in inpt)
right_list = sorted(int(line[1]) for line in inpt)

print(f"part 1: {sum(abs(left-right) for left, right in zip(left_list, right_list))}")
print(f"part 2: {sum(left * right_list.count(left) for left in left_list)}")