题解 | 密码强度等级

import sys

while True:
    try:
        s = input()
        total = 0
        n_num = 0
        c_u = 0
        c_l = 0
        n_other = 0
        l = len(s)
        if l <= 4:
            total += 5
        elif 5 <= l <= 7:
            total += 10
        elif l >= 8:
            total += 25
        for c in s:
            if c.isupper():
                c_u += 1
            elif c.islower():
                c_l += 1
            elif c.isdigit():
                n_num += 1
            else:
                n_other += 1
        if c_u:
            total += 10
        if c_l:
            total += 10
        if n_num:
            total += 10
            if n_num > 1:
                total += 10
        if n_other:
            total += 10
            if n_other > 1:
                total += 15
        if (c_u or c_l) and n_num:
            total += 2
            if n_other:
                total += 1
                if c_l and c_u:
                    total += 2
        if total >= 90:
            print('VERY_SECURE')
        elif total >= 80:
            print('SECURE')
        elif total >= 70:
            print('VERY_STRONG')
        elif total >= 60:
            print('STRONG')
        elif total >= 50:
            print('AVERAGE')
        elif total >= 25:
            print('WEAK')
        else:
            print('VERY_WEAK')
    except:
        break