You might think CSV files are just spreadsheets, similar to Excel files, but it's a lot more interesting than that: Open any ...

You could then load the CSV into Excel, convert it into a ... So, you try to open the file in Excel using its data import tooling, which usually works very well indeed as a basic ETL system.

To work with csv and xlsx files the easiest package is the pandas package because it has the functionality to edit and subset the data along with writing the edited data back to a csv or excel file.