2019.04.12|| scrapy 爬虫模块，先下载安装twisted，防止出现 visua c++14 is required的错误
2019.04.11 || requests lxml BeatifuSoup
2019.04.09 || pip numpy scrapy os
转载于:https://www.cnblogs.com/hukuanhu/p/10679829.html
