Python实战作业-day1

Posted 2020-09-29

作业需求：

实现用户名密码登录验证

1. 判断用户名密码是否正确，正确则打印欢迎信息，错误输出具体的错误原因信息
2. 用户可以连续输入三次密码，超过三次则锁定用户
3. 用户输入的密码位数必须超过6位

 

作业流程图：

 

作业代码：

 1 #!/usr/bin/python
 2 #coding:utf-8
 3 
 4 
 5 import sys
 6 
 7 count = 0
 8 time = 0
 9 
10 
11 while count < 3:
12     loginuser = raw_input("please input your name: ").strip()
13     user_file1 = open(‘/tmp/reboot15/user_lock‘,‘r+‘)     
14                
15     for line1 in user_file1.readlines():
16         line1 = line1.strip()
17         if loginuser == line1:
18             sys.exit("The user %s has been locked" % loginuser)
19 
20     user_file2 = open(‘/tmp/reboot15/user‘,‘r‘)
21 
22     for line2 in user_file2.readlines():
23         loginuser01,loginpw1 = line2.strip().split(‘:‘)
24         
25         if loginuser == loginuser01:
26             count1 = 0
27             while count1 <3:
28                 time = 2 - count1
29                 count1 += 1
30 
31                 loginpw = raw_input("please input your password: ").strip()
32                 if len(loginpw) <6:
33                     print "your password length must be more than 6, you have %s times left!" % time
34                 else:
35                     if loginpw == loginpw1:
36                         sys.exit("welcome to %s !" % loginuser)
37                     else:
38                         if count1 != 2:
39                             print "your password is wrong , you have %s times left!" % time
40 
41             else:
42                 user_file1.write(loginuser + ‘\\n‘)
43                 sys.exit("The user %s is locked" % loginuser)    
44 
45     else: 
46         sys.exit("your account does not exist ,please register, thanks.")
47 
48 user_file1.close()
49 user_file2.close()