save project

diy1.py

@@ -6,5 +6,9 @@ while true:
     if name == username and password == userpassword:
         print("登录成功")
         break
-        print("登录失败")
+    if name != username:
+        print("用户名错误，请重新输入")
+        continue
+    if password != userpassword:
+        print("密码错误，请重新输入")        
 print("欢迎来到贝尔星球")             
\ No newline at end of file