一个小程序，可以读入一个英文的文本文件，显示这个文件，并统计这个文件有多少个字符，多少个单词，多少个空白（空格、TAB），多少个段落，按照单词的长度进行统计-A small program that can read an English text file, display the file, and statistics that document the number of characters, the number of words, the number of blank (space, TAB), the number of passages, according to statistics on the length of the word