After that, you can save the file or a copy of the Python file using the same menu. Its download link is here. After launching it, you can open a PY file or a project. Once the file is added ...

You can do this in Excel by creating a simple spreadsheet and then choosing to save it as ... How to read a file in Python and more And there you have it: now you know how to open CSV files ...

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.

Python is a general-purpose ... list of built-in functions. 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 ...