Add the following code to the handle method that will log the reception of a message.

将以下代码添加到handle方法中，该方法将记录消息的接收。

youdao

This feature provides optimal reception of the IR code even in the presence of these light sources.

通过该功能，即使存在以上光源也能够最佳地获得红外线代码。

youdao

A code to the front door and the key with a note at the reception desk. Welcome!

在接待书桌的对和一个笔记的前门和钥匙的一个密码。欢迎！

youdao

However, radio reception problems throughout the day on Thursday meant that the British code-cracking team did not get a full copy of the enciphered message until after 1700 GMT.

BBC: Colossus in operation during wartime, PA