save project

diy2.py

@@ -8,7 +8,3 @@ while True:
     print("欢迎来到贝尔编程!")
     if name not == username and password == userpassword:
         print("用户名和密码错误!请重新输入")
\ No newline at end of file
-        if name != username:
-             print("用户名不存在，请重新输入") 
-          if password != userpassword:
-                  print("密码输入有误，请重新输入")
\ No newline at end of file