primitive password cracker

[David Raymond]

I think you might want to check out itertools.product()
https://docs.python.org/3.9/library/itertools.html#itertools.product

import itertools
import string
passe = 'pass'
for p in itertools.product(string.ascii_lowercase, repeat = 4):
    p = "".join(p)
    if p == passe:
        print("Found it:", p)
        break
else:
    print("Didn't find it.")

Or for different lengths:

foundIt = False
for repeat in range(1, 6):
    for p in itertools.product(string.ascii_lowercase, repeat = repeat):
        p = "".join(p)
        if p == passe:
            print("Found it:", p)
            foundIt = True
            break
    if foundIt:
        break
else:
    print("Didn't find it.")