save project

diy2.py

@@ -8,5 +8,6 @@ while True:
         break
          elif name != username:
             print("用户名不存在，请重新输入!")
+        elif:
             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