On Mon, 21 Feb 2022 at 14:36, Python <python@example.invalid> wrote: > > Barry wrote: > > > > > >> On 20 Feb 2022, at 15:35, Abdur-Rahmaan Janhangeer <arj.pyt...@gmail.com> > >> wrote: > >> > >> Greetings list. > >> > >> Out of curiosity, why doesn't Python accept > >> def (): > >> return '---' > >> > >> () > >> > >> Where the function name is ''? > > > > Because there is no variable that is holding a ref to the code. > > So it’s pointless. > > Fun fact, it can be done, but it's (afaik) then (almost) unusable... > > >>> a > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > NameError: name 'a' is not defined > >>> locals()['a'] = 42 > >>> a > 42 > >>> locals()[''] = 42 > >>> locals()[''] > 42 > >>> locals()[''] = (lambda x: x*42) > >>> locals()[''](1) > 42 >
Minor nitpick: Please use globals() rather than locals() for this sort of demo. At module level (including the REPL), they are the same, but inside a function there's no guarantee that locals() can be mutated in this way. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
