[Python-Dev] removing nested tuple function parameters

[Andrew Koenig]

> The only practical reason to like this feature is sparing the need of
> finding an otherwise useless name for the formal argument.  Another
> reason, but not practical at all, is that the concept conveys some
> elegance and originality (each programming language should ideally have
> a few of these) and is enforced in other places in Python, like in the
> `for' statement -- where I find implied unpacking very, very useful.

One other reason: It is possible to imagine using the feature to catch some
type errors at the point of call, rather than having to get into the
function itself before detecting them.