On Sat, 26 Feb 2022 at 15:39, Avi Gross via Python-list <python-list@python.org> wrote: > Take interpreted languages including Python and R that specify all kinds of > functions that may be written within the language at first. Someone may > implement a function like sum() (just an example) that looks like the sum of > a long list of items is the first item added to a slightly longer sum of the > remaining items. It stops when the final recursive sum is about to be called > with no remaining arguments. Clearly this implementation may be a tad slow. > But does Python require this version of sum() or will it allow any version > that can be called the same way and returns the same results every time? >
That's also true of C and pretty much every language I know of. They define semantics, not implementation. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
