01.exercise-creating-reading-and-writing【练习：创建、读取和写入】
This notebook is an exercise in the Pandas course. You can reference the tutorial at this link. Introduction 介绍 The first step in most data analytics projects is reading the data file. In this exercise, you’ll create Series and DataFrame objects, both by hand and by reading data files. 大多数数据分析项目的第一步是读取数据文件。 在本练习中，您将手动或通过读取数据文件来创建 Series 和 DataFrame 对象。 […]