下载地址:https://www.crummy.com/software/BeautifulSoup/bs4/download/4.5/
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安装成功,亲测可用! 参考文章http://blog.csdn.net/caimouse/article/details/51659155
Beautiful Soup 4.2.0 文档https://www.crummy.com/software/BeautifulSoup/bs4/doc/index.zh.html
Beautiful Soup 4.4.0 文档http://beautifulsoup.readthedocs.io/zh_CN/latest/