+++ /dev/null
-#!/usr/bin/python3
-
-import regex
-
-total_lines=0
-valid_lines=0
-for line in open("input.txt", "r"):
- total_lines += 1
- (pos1, pos2, letter, password) = regex.match('([0-9]+)-([0-9]+) ([a-z]): ([a-z]*)', line).group(1,2,3,4)
- pos1 = int(pos1)
- pos2 = int(pos2)
- if (password[pos1-1] == letter or password[pos2-1] == letter) and password[pos1-1] != password[pos2-1]:
- valid_lines += 1
-
-print(valid_lines, "valid lines of", total_lines)