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).

Help your air conditioner help you stay cool this summer. Check out these things that you can do today to take some pressure off your A/C and save you some money on your electric bill. Turn on your ...

A Python visualizer is a tool that shows you how your code runs, step by step, using pictures and diagrams. It helps you see ...