save project

diy1.py

@@ -10,6 +10,9 @@ while True:
     if name == username and p == userpassword:
         print("登陆成功")
         break  # 跳出循环
-    else:
-        print("登陆失败")
+    if name != username :
+        print("账号错误")
+        continue
+    if p != userpassword :
+        print("密码错误")
 print("欢迎来到贝尔编程")