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On Fri, Sep 9, 2011 at 4:41 AM, Michael Richter <> wrote:
> Any language with native support for tuples (or equivalent constructs) can
> do multiple returns trivially, so this dates back to Lisp at least, which
> puts it as about 1959.

Ah, but there is an important difference: this code has the same
effect in Lua and Python:

    x,y = something()

but in Python there is an explicit tuple type and this multiple
assignment causes that tuple to be unpacked, which is a rather less
efficient process.

steve d.