password.py 文件源码

def get_count(l, comb):
    result = 0
    for n in range(1, comb+1):
        for sub_char_set in itertools.combinations(char_set, n):
            char_n = sum(sub_char_set)
            for m in range(n, 0, -1):
                sign = (-1) ** (n - m)
                for sets in itertools.combinations(sub_char_set, m):
                    result += sign * sum(sets) ** l
    return result