要求：

密碼要求:

1.長度超過8位

2.包括大小寫字母.數字.其它符號,以上四種至少三種

3.不能有相同長度大於2的子串重複

輸入描述:

一組或多組長度超過2的子符串。每組佔一行

輸出描述:

如果符合要求輸出：OK，否則輸出NG

輸入

021Abc9000
021Abc9Abc1
021ABC9000
021$bc9000

輸出

OK
NG
NG
OK

 1 # 判斷密碼是否存在
 2 import re
 3 
 4 while True:
 5     count = 0
 6     # 用來存放每個型別是否出現
 7     count_dict = {'num': None, '
 
upper': None, 'lower': None, 'other': None}
 8     # 用來驗證是否有子字串重複
 9     is_dict = []
10     flag = True
11     try:
12         s = input()
13         if len(s) <= 8:
14             print('NG')
15         else:
16             s_list = re.findall(r'(\d+|[a-z]+|[A-Z]+|\W+)', s)
17             s1_list = re.findall(r'
 
\d+|[a-zA-z]+|\W+', s)
18             # 判斷型別並儲存在字典中
19             for each in s_list:
20                 if re.match(r'\d+', each):
21                     count_dict['num'] = 1
22                 elif re.match(r'[A-Z]+', each):
23                     count_dict['upper'] = 1
24                 elif re.match(r'
 
[a-z]+', each):
25                     count_dict['lower'] = 1
26                 elif re.match(r'\W+', each):
27                     count_dict['other'] = 1
28             # 對字典中型別的數量進行計算
29             for value in count_dict.values():
30                 if value:
31                     count += value
32             # 判斷是否有子字串重複，如果重複就讓flag=False
33             for each in s1_list:
34                 if each in is_dict:
35                     flag = False
36                 else:
37                     is_dict.append(each)
38             # 綜合判斷是否符合要求
39             if count >= 3 and flag:
40                 print('OK')
41             else:
42                 print('NG')
43 
44     except Exception as e:
45         break