A Python visualizer is a tool that shows you how your code runs, step by step, using pictures and diagrams. It helps you see ...
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).
In his latest video essay, Thomas Flight praises the comfort film and shares some examples (The Big Lebowski, Perfect Days, ...