在两份试题文本（txt格式）中找出相同或者相近的题目，并将找出的题目保存在另一个文本中。将两份试题分别命名为aa.txt、bb.txt，保存文本命名为cc.txt，这三个文件放在D盘根目录下-Two questions in the text (txt format) to find the same or similar subject, and to identify the subject is stored in another text. Two questions were name