[Python-ideas] Allow using ** twice

[Devin Jeanpierre]

On Thu, Jun 6, 2013 at 3:33 PM, Peter Jung <ilmiacs at gmail.com> wrote:
> I'd take "+= is not allowed" as synonymous to "is immutable".

    >>> a = (1,2)
    >>> a += (3, 4)
    >>> a
    (1, 2, 3, 4)

By this definition, tuples are not immutable. That would be
nonstandard terminology.

I think you've confused "mutability" of variables (more clearly:
rebindability) with mutability of objects.

-- Devin