“The latest release, HTSQL 2.3, is especially exciting for Python developers because it includes a HTSQL-Django gateway,” said co-creator Clark Evans, also of YAML fame. “Also, we completely rewrote ...

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).