Hmm... An idea: if a,b==c,d:

[Erik Max Francis]

Brad Hards wrote:

> I think of (oldx, oldy = x,y) as forming a tuple (x,y), and then
> unpacking it
> to oldx and oldy.

That's wise, since that's exactly what it does :-).  In all seriousness,
there is no special syntax involved here; this is simply a result of
tuple construction, tuple unpacking, and the semantics of the assignment
operator.

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