save project

diy1.py

@@ -8,5 +8,9 @@ while True:
     if name == username and password == userpassword:
         print("登陆成功")
         break
-    print("用户名和密码")
+    if name != username:
+        print("用户名错误！请重新输入")
+    if password != userpassword:
+        print("密码错误！请重新输入")
+print("欢迎来到贝尔编程")    
 # 如果用户输入的账号、密码正确，提示登陆成功
\ No newline at end of file