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).

Sadie Shaw has filed a legal challenge to the results of the Democratic primary election against incumbent Kevin Dahl, arguing that a ballot mishap was a factor in her 19-vote loss. In late July, the ...