save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i -=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
@@ -11,5 +14,7 @@ while True:
             #continue
             #continue
         elif password!=userpassword:
         elif password!=userpassword:
             print("密码错误")
             print("密码错误")
-
+    else:
+        print("三次机会已用，账号封锁。")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file