Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main file of ...

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).

How does Python deal with memory management? Learn the ins and outs of Python's garbage collection system and how to avoid its pitfalls. Python grants its users many conveniences, and one of the ...