Baozhu learned that Jiazhen has been conned by Ah Xiang and decided to return the money to Wang Du. Wang Du refused to accept.

宝珠得知佳珍被阿翔骗走两万块，于是找王度，要把钱还给他，王度拒绝。

youdao

Ah ha, it goes into that accept portion, prints out a message, and goes back around the while loop to say try again. And it's going to keep doing this until I give it something that does serve as a float.

他会说输入一个浮点数，啊哈，它就到了那段处理代码,打印出消息,然后回到while循环让我们再输一次,它会持续这么做直到它接受到一个浮点数。

麻省理工公开课 - 计算机科学及编程导论课程节选