The Monty Python troupe were hit with financial woes before their smash hit motion picture was made, meaning funding it was looking impossible at first.

Monty Python and the Holy Grail was rejected by studios but the comedy troupe found funding from a number of famous musicians, and fans are only just realising who ...

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).