AdventOfCodeDay4.py

def validate_passphrase(passphrases:str) -> int:
    '''
    Counts the number of valid passphrases
    '''

    passphrases = [[item for item in row.split(' ')] for row in passphrases.split('\n')]
    valid = 0
    for row in passphrases:
        counter = 0
        for item in row:
            if row.count(item) > 1:
                counter += 1
        if not counter:
            valid += 1
    return valid


def validate_passphrase_part_2(passphrases:str) -> int:
    '''
    Counts the number of valid passphrases
    '''

    passphrases = [[sorted(item) for item in row.split(' ')] for row in passphrases.split('\n')]
    valid = 0
    for row in passphrases:
        counter = 0
        for item in row:
            if row.count(item) > 1:
                counter += 1
        if not counter:
            valid += 1
    return valid