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

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 ...

And let's not even mention field quoting. If you deal with CSV files and you use Python the csv module can make your life a bit easier. Dealing with CSV files in Python probably couldn't be much ...