CSV files are extremely common. I run into them all the time at work when transferring data. At home, a CSV file is almost always an option when exporting a file from the bank or out of Google Sheets.
CSV=Comma Separated Values
This article is a follow-up to Reading CSV Data with Python.
In that article, I described what CSV files are and how to read CSV Data. The flip side to reading data is writing data out to a file. I will summarize again what a CSV file i...