save project

diy2.py

@@ -7,8 +7,8 @@ while True:
         print("登录成功!")
         break
 
-    elif name != username:
+        elif name != username:
         print("用户名不存在，请重试")
-    elif password != userpassword:
+        else password != userpassword:
         print("密码错误，请重试")
 print("欢迎来到贝尔编程!")