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).

Imagine being able to compose an email or steer a wheelchair directly with your thoughts. For millions of people living with neurological disorders such as ALS, this possibility could be life-changing ...

Yes, freeCodeCamp is a great place for beginners. It offers step-by-step lessons, hands-on coding exercises, and clear ...

October 3, 2025 • Mark Gaskin suddenly lost his job and home after an injury, but his situation didn't stop him from stepping in to care for an elderly relative in need. He shares why he became his ...