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).

Many digital photography fans, especially Gen Z, seek the look and feel of film without the cost and trouble of using it. They want their mirrorless or DSLR photos to reflect Kodak’s warm tones, ...