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).

AbbVie has filed for approval of a regimen based on its Venclexta therapy for previously untreated patients with chronic lymphocytic leukaemia (CLL), in combination with an AstraZeneca drug. The ...

President Donald Trump has a 43% approval rating in the most recent New York Times/Siena poll released Tuesday—consistent with his average second-term rating, but below all other recent presidents ...