The “w+” tells Python that we are writing to a new file. If the file already exists, then that file is overwritten. If the file doesn’t already exist, then it will be created.

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!

Here are some free Python file viewer and Python file editor software to help you open PY files on Windows 11/10 PC.