This post will show you how to open CSV files in Python using the CSV module. ... You can do this in Excel by creating a simple spreadsheet and then choosing to save it as a CSV file.

This post will show you how to open Python PY files in Windows 11/10. ... After that, you can save the file or a copy of the Python file using the same menu. 5] Atom.

The problem I've noticed is that if I append the file with each of the 100k runs (one at a time), it can happen that two threads try to save to the file at the same time and some row(s) end up empty.

By using the open() function and a simple loop, you can cycle through a list of file names and assign a variable with a reference to that file, storing it for later use. Create a list of file names.