Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in ...
One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as a scientific calculator by using these same functions with numerical ...
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).