题解 | 密码强度等级

# 先统计数字、大小写字母、字符的个数再进行判断
s = input()
score = 0
# 一、密码长度
if len(s) <= 4:
    score += 5
elif len(s) <= 7:
    score += 10
else:
    score +=25
count_upper = 0
count_lower = 0
count_number = 0
zm = 'abcdefghijklmnopqrstuvwxyz'
ZM = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
for i in s:
    if i in zm:
        count_lower += 1
    if i in ZM:
        count_upper += 1
    if i.isdigit():
        count_number += 1
count_zf = len(s) - count_lower - count_upper - count_number
# 二、字母
if count_lower > 0 and count_upper == 0 or count_lower == 0 and count_upper > 0:
    score += 10
if count_lower > 0 and count_upper > 0:
    score +=20
# 三、数字
if count_number == 1:
    score += 10
if count_number > 1:
    score += 20
# 四、符号
if count_zf == 1:
    score += 10
if count_zf > 1:
    score += 25
# 五、奖励（只能选符合最多的那一种奖励
l = []
if count_lower + count_upper > 0 and count_number > 0:
    l.append(2)
if count_lower + count_upper > 0 and count_number > 0 and count_zf > 0:
    l.append(3)
if count_lower > 0 and count_upper > 0 and count_number > 0 and count_zf > 0:
    l.append(5)
if len(l) != 0:
    score += max(l)
# 最后的评分标准
if score >= 90:
    print("VERY_SECURE")
elif score >= 80:
    print("SECURE")
elif score >= 70:
    print("VERY_STRONG")
elif score >= 60:
    print("STRONG")
elif score >= 50:
    print("AVERAGE")
elif score >= 25:
    print("WEAK")
else:
    print("VERY_WEAK")