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.

A file with the PYM file extension is a Python Macro script file. The PYM file contains one or more Python scripts. Each Python script starts with the string "#begin python" and ends with the ...

How to open CSV files in Python manually. Remember that a CSV file is actually just a text document with a fancy formatting. That means that you actually don’t need to use a module if you want ...

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.

When run it produces: $ python csv1.py A : 1 B : 2 C D : 3 4 A : 5 B : 6 C D : 7 In addition, the csv module provides writer objects for writing CSV files. The following Python program converts our ...