题解 | #密码强度等级#

#学习到的知识：isalpha(),islower()，isupper()
s=input()

def f1(s):
    if len(s)<=4:
        return 5
    elif 5<=len(s)<=7:
        return 10
    elif len(s)>=8:
        return 25

def f2(s):
    a=[0,0]
    b=0
    c=0
    for x in s:
        if x.islower():
                a[0]+=1
        elif x.isupper():
                a[1]+=1
        elif x.isdigit():
            b+=1
        elif int('0x21',16)<=ord(x)<=int('0x2F',16) or int('0x3A',16)<=ord(x)<=int('0x40',16) or int('0x5B',16)<=ord(x)<=int('0x60',16) or int('0x7B',16)<=ord(x)<=int('0x7E',16):
            c+=1

    score=0

    if sum(a)==0:
        score+=0
    elif a[0]==0 or a[1]==0:
        score+=10
    else:
        score+=20

    if b==0:
        score+=0
    elif b==1:
        score+=10
    elif b>1:
        score+=20

    if c==0:
        score+=0
    elif c==1:
        score+=10
    elif c>1:
        score+=25

    if sum(a)!=0 and a[0]!=0 and a[1]!=0 and b!=0 and c!=0:
        score+=5
    elif sum(a)!=0 and (a[0]==0 or a[1]==0) and b!=0 and c!=0:
        score+=3
    elif sum(a)!=0  and b!=0 and c==0:
        score+=2

    return score

if f1(s)+f2(s) >= 90:
    print('VERY_SECURE')
elif f1(s)+f2(s) >= 80:
    print('SECURE')
elif f1(s)+f2(s) >= 70:
    print('VERY_STRONG')
elif f1(s)+f2(s) >= 60:
    print('STRONG')
elif f1(s)+f2(s) >= 50:
    print('AVERAGE')
elif f1(s)+f2(s) >= 25:
    print('WEAK')
else:
    print('VERY_WEAK')