input = "mjqjpqmgbljsphdztnvjfqwrcgsmlb" input = "bvwbjplbgvbhsrlpgdmjqwftvncz" input = open("2022/day06/data.txt").read() for i in range(3, len(input)): if len(set(input[i - 4 : i])) == 4: print(i) break