题解 | #密码验证合格程序#

import sys
table1 = [0,0,0,0]
for line in sys.stdin:
    a = line.strip()
    if len(a) <= 8:
        print("NG")
        continue
    for i in a:
        if i.islower():
            table1[0] +=1
        elif i.isupper():
            table1[1] +=1
        elif i.isdecimal():
            table1[2] +=1
        else:
            table1[3] +=1
    relist = [i for i in table1 if i!= 0]
    if len(relist) <3:
        print("NG")
        continue
    just1 = False
    for i in range(3,len(a)):
        for j in range(len(a)):
            if a[j:j+i] in a[j+i:]:
                just1 = True
    if just1:
        print("NG")
        continue
    print("OK")