该文档为利用Python进行数据分析的教学代码包，包含pynum,matplotlib,pandas等数个常用的数据分析包，附有详细的注释说明。适合对python语言有一定了解的人士学习利用python处理数据的基本方法。(This document is a teaching package for data analysis based on Python. It contains several commonly used data analysis packages, such as p