程序题： 用Windows“记事本”创建一个文本文件，其中每行包含一段英文。试读出文件的全部内容，并判断： （1）该文本文件共有多少行？ （2）文件中以大写字母P开头的有多少行？ （3）一行中包含字符最多的和包含字符最少的分别在第几行？ 如：记事本内容为： A lot of people today are animal rights advocates. Some of them are very Passionate and even quite radical about the issue. But others argue that “human rights” will always take priority. In fact, in many places even the most basic human rights are not adequately Protected. So why animal rights？ What do you think？ And w