This is useful as a way to add precise type checker coverage to those functions. Python 3.11 identified a slew of Python standard library modules that were obsolete and no longer being maintained.

One performance-enhancement technique common to many languages, and one Python can use too, is memoization—caching the results of a function call so that future calls with the same inputs don ...

If you only have time to study one module, make it itertools-- and consider installing ... These formats are smaller, and PyArrow can read and write them faster than Python .csv functions. PyArrow ...