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.

That is pretty self-explanatory except perhaps for "_", which is a wildcard that will match anything. The idea is that each case will be tried in the order specified, the first to match will be ...

The genesis of the PEP was a "nerd sniping email on a Wednesday during COVID" from Guido van Rossum to Bucher to see if he wanted to be part of the effort to try to add a match statement to the ...