When working with text or CSV data in Python, you may find yourself wanting to "extract only email addresses," "verify the ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

We left the saga of PEP 622 ("Structural Pattern Matching") at the end of June, but the discussion of a Python "match" statement—superficially similar to a C switch but with extra data-matching ...