Python3源码_账号密码输入接口

 1 #!/usr/bin/env python
 2 # -*- coding:utf-8 -*-
 3 #Author:SKING
 4 """
 5 题目：
 6 输入账号，密码
 7 1.输入三次后提示休息5s
 8 2.密码重复输入三次后锁定账户
 9 """
10
11 import string, sys, time
12
13 def wait_5s():
14     print(‘You input too many times,please wait 5s...‘)
15     for a in range(5, 1, -1):
16         print(f‘{a}s‘)
17         time.sleep(1)
18
19 count = 0 #记录用户输入的次数
20 count_pwd = 3 #记录用户输入密码的次数
21
22 while count<3:
23     count +=1
24     username = input(‘username:‘)
25     if username == ‘‘:
26         print(‘用户名不能为空！请重新输入！‘)
27         if count == 3:
28             wait_5s()
29             count = 0
30         continue
31
32     with open(‘locked_user.txt‘, ‘r‘, encoding=‘utf-8‘) as file_locked_user:
33         for i in file_locked_user:
34             i = i.strip()
35             if username == i:
36                 print(f‘{username} is locked!‘)
37                 chose_key = input(‘Press "Q" to exit!Press any key to continue:‘)
38                 if chose_key == ‘Q‘ or chose_key == ‘q‘:
39                     sys.exit(0)
40     with open(‘user_password.txt‘, ‘r‘, encoding=‘utf-8‘) as file_user_password:
41         for j in file_user_password:
42             (file_username, file_password) = j.strip().split(‘\t‘)
43             if username == file_username:
44                 while count_pwd > 0:
45                     print(f‘You have {count_pwd} times,then will locked!‘)
46                     password = input(‘password:‘)
47                     if password == file_password:
48                         print(‘Welcome to Python!‘)
49                         sys.exit(0)
50                     else:
51                         print(‘Password is wrong,Please re-enter...‘)
52                         count_pwd -= 1
53                     if count_pwd == 0:
54                         with open(‘locked_user.txt‘, ‘r+‘, encoding=‘utf-8‘) as write_locked_user:
55                             write_locked_user.write(username)
56                         print(f‘{username} is locked!‘)
57                         sys.exit(0)
58         else:
59             print(f‘{username} is not exist,Please re-enter...‘)
60
61     if count == 3:
62         wait_5s()
63         count = 0

原文地址：https://www.cnblogs.com/skings/p/10213441.html