Password-Cracker | simple C # md5 hash password cracker using wordlists | Hacking library

def crack_helper(passwords, word, sol):
    # Check if there is some password that currently works.
    if word ==  "":
        return sol
    for password in passwords:
        if word[:len(password)] == password:
            sol += password
            s = crack_helper(passwords, word[len(password):], sol)
            if s != "No Result":
                sol = s
                return sol
            sol = sol[:-len(password)]
    return "No Result"