<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[mengdiebb的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/mengdiebb</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; mengdiebb]]></copyright><item><title><![CDATA[DataFrame操作]]></title><link>https://blog.youkuaiyun.com/mengdiebb/article/details/80923088</link><guid>https://blog.youkuaiyun.com/mengdiebb/article/details/80923088</guid><author>mengdiebb</author><pubDate>Thu, 05 Jul 2018 10:52:28 +0800</pubDate><description><![CDATA[创建：df = pd.DataFrame(data=[['600570.SS', '恒生电子', '20180705'],['600570.SS', '恒生电子', '20180704']], columns=['stock_code', 'stock_name', 'create_time'])取某一列的特定值：df['create_time']['20180705']取日期和股票代码都符合的值...]]></description><category></category></item></channel></rss>