save project

diy1.py

@@ -8,8 +8,7 @@ while True:
         break
     if name != username:
         print("用户名错误")
-    if name != username and password != userpassword:
-        print("密码和用户名错误")
+        continue
     if password != userpassword:
         print("密码错误")
 print("欢迎来到贝尔编程！")