python基础一之课后作业：编写登录接口

 1 # Author : Mamba
 2 
 3 #python基础一之课后作业：编写登录接口
 4 
 5 # 输入用户名密码
 6 # 认证成功后显示欢迎信息
 7 # 用户名3次输入错误后，退出程序
 8 # 密码3次输入错误后，锁定用户名
 9 print("------mamba_login------")
10 user = input("please input your username :")
11 
12 pwd  = 0
13 user_count = 0
14 pwd_count =0
15 isEnd = False
16 
17 while user_count  < 3 : #当输入的用户名数据小于3次时
18     if isEnd:
19         break
20     if user == "mamba":
21        pwd = input("please input your password :")
22        while pwd_count < 3:  #当输入的密码小于3次时
23            if pwd == "123":
24                print("welcome mamba come back")
25                isEnd = True
26                break
27            else: 
28                pwd_count += 1
29                if 3 != pwd_count:
30                     print('{0} {1} {2} {3}'.format('Password  is wrong!!!', 'you have', (3 - pwd_count), 'chances.'))
31                     pwd = input("please input your password again:")
32     else:            #当用户名不对
33        user_count += 1
34        if 3 != user_count:
35              print('{0} {1} {2} {3}'.format('Username  is wrong!!!', 'you have', (3 - user_count), 'chances.'))
36              user = input("please input your username again: ")
37 if user_count > 3 or pwd_count > 3 or isEnd == False :  #当用户名或密码的次数超过3次
38     print("Wrong!!sorry.")
39     print("you have tried too many times ,game over")