We will start by reading a simple CSV file, data/msft.csv (in the book's source data folder). This file is a snapshot of stock values for the MSFT ticker. The first several lines of this file can be examined using the !head command (on a Windows system, use the type command):
The first row of the file contains the names of all the columns represented in the data, each separated with a comma. Each row then represents a sampling of the values on the specific date.