This post will show you how to open CSV files in Python using the CSV module. You'll also learn another method + how to write CSV files!

Python's built-in csv module is a straightforward way to read and write CSV files. Use the csv.reader() function to load the CSV file into a reader object, which allows you to iterate over the rows.

How to open CSV files in Python: store and retrieve large data sets; How to write to a file in Python with modules. Of course, some files are going to contain more complex formatting than others.