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).

Ask about the topics that matter most to you in the governor’s race and get answers from NJ.com’s in-depth coverage. Statewide scores and schedules, organized by-conference, for every N.J. football ...