def a((b,c,d),e):

[AdSR]

> Thanks for pointing this out. However I see no atrocity potential
here
> -- what did you have in mind?

Bad choice of words. I meant obfuscated, something like

def z(((a, b), (c, d)), e, f):
    pass

but much worse. But it looks like there is nothing unusual about it
after all. Oh, well...

AdSR