One of the great things about having Python installed on your Windows machine is that you can access it from anywhere. Simply pull up a command prompt and you can start entering commands, installing ...
If you are a Python programmer, you know the importance of its libraries. One of the easiest ways to install those libraries is by using the PIP command. However ...
os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).