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).

The Guam Department of Education still has no contract to fix downed fences or deal with mold growth caused by Typhoon Mawar, with the second anniversary of the storm just three weeks away. Both ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...