save project

diy2.py

@@ -8,6 +8,6 @@ while True:
         break
     elif name != username:
         print("用户名不存在，请重新输入!")
-        elif:
+    else:
         print("密码错误,请重新输入!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file