python 多用户登录

 1 div={
 2 ‘list1‘:{‘password‘:‘123456‘},
 3 ‘list2‘:{‘password‘:‘123456‘},
 4 ‘list3‘:{‘password‘:‘123456‘},
 5 }
 6 f = open(‘black_user‘,‘r‘)
 7 lock_file = f.readlines()
 8 f.close()
 9 count=0
10 count1=0
11 while True:
12     name_input=input("please input name:")
13     if count == 3:
14         print("用户名输入次数到达限制")
15         break
16     if  not name_input in div:
17             print("用户名错误")
18             count +=1
19     if  name_input in lock_file:
20         print("户名已锁定，暂停使用！")
21         exit()
22 
23     if name_input in div:
24         count -=2
25         password_input=str(input("please input password:"))
26         if password_input == div[name_input][‘password‘]:
27             print ("密码成功")
28             break
29         else:
30             print("密码错误")
31             count1 +=1
32         if count1 == 2:
33             print("您输入的密码错误次数已达3次，将锁定您的账户!")
34             f = open(‘black_user‘, ‘w‘)
35             f.write(‘%s‘%name_input)
36             f.close()
37             break