摘要：
需要把excuses数组转换为小写，但是输出的时候要保持原样。因为这个问题WA了很多次。题目：Excuses, Excuses!Judge Ito is having a problem with people subpoenaed for jury duty giving rather lame excuses in order to avoid serving. In order to reduce the amount of time required listening to goofy excuses, Judge Ito has asked that you write a pro 阅读全文
