save project

diy2.py

@@ -11,9 +11,11 @@ while True:
             break
         if name != username:
             print("用户名不存在，请重新输入!")
+            print("提示:你还有"+str(i)"次登录机会")
             continue
             if password != userpassword:
                 print("密码输入错误，请重新输入！")
     else:
-        print("你的账户已锁定")            
+        print("你的账户已锁定")
+        exit()            
 print("欢迎来到贝尔编程!")
\ No newline at end of file