CSV,逗号分开的文件,如果能快速的读取这些文件中的数据,无疑会帮助我们解决很多问题. 1. 只有数据的CSV文件,CSV file that includes only numbers. As an example, create a text file, named as 'data.csv' if you prefer, which includes the following data with any editor you like. 1, 2, 3, 4 5, 6, 7, 8 9,…