add python知识手册

README.md

@@ -17,6 +17,8 @@
 
 |文章发布日期|文章名称及链接|代码 / 数据文件|
 |-------|---------|---------|
+|20190304|[干货推荐 | 掌握这几点，轻松玩转 Bokeh 可视化 （项目实战经验分享）]()|[请点击链接]([https://github.com/liyangbit/Python-Knowledge-Handbook](https://github.com/WillKoehrsen/Bokeh-Python-Visualization))|
+|20190225|[推荐：免费获取365页《Python知识手册》](http://liyangbit.com/python-knowledge-handbook/)|[请点击链接](https://github.com/liyangbit/Python-Knowledge-Handbook)|
 |20190121|[轻松用 Seaborn 进行数据可视化](http://liyangbit.com/pythonvisualization/Data-Visualization-with-Seaborn/)|[请点击链接](https://github.com/liyangbit/PyDataRoad/tree/master/comprehensive/Seaborn-data-visualization)|
 |20181224|[Matplotlib 必须掌握的 50 个可视化图表（附完整 Python 源代码）](http://liyangbit.com/pythonvisualization/matplotlib-top-50-visualizations/)|[请点击链接](https://github.com/liyangbit/PyDataRoad/tree/master/projects/matplotlib-top-50-visualizations)|
 |20180625|[第二波分析：德国是2018世界杯夺冠最大热门？ Python数据分析来揭开神秘面纱…](http://liyangbit.com/projects/projects-world-cup-predict-2nd-post/)|[请点击链接](https://github.com/liyangbit/PyDataRoad/tree/master/projects/football-world-cup)|