You will need to add all the lines to the save file beforehand, as this prgram cannot create lines or replace text on lines that aren't there. Some text editors will allow you to collapse the "if 1 == ...

The “w+” tells Python that we are writing to a new file ... but ensure to insert commas and new-lines in the right place. If you then save the file as “.CSV” then it will open in Excel ...

This is particularly true in Python, seeing as Python is such ... by creating a simple spreadsheet and then choosing to save it as a CSV file. I made a little list of exercises, which looks ...

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 ...