自己创建2个文本文件，然后判断它们文字内容的相似性（雷同的程度）。如果二者的所有单词中，相同的单词数量占总两的80 ，则认为而和是雷同的。-Create your own two text files, and then judge their similarity of the text (the same degree). If all the words of the same number of words for 80　of the two, think and are alike.