Augmented Assignement (was: Re: PEP scepticism)

[Aahz Maruch]

In article <naO%6.416271$oc7.58537852 at news2.rdc2.tx.home.com>,
Rainer Deyke <root at rainerdeyke.com> wrote:
>"Courageous" <jkraska1 at san.rr.com> wrote in message
>news:q0avjto87p59hn7gv28r5cf1c84j2fb8c7 at 4ax.com...
>>
>> def f(x):
>>     x = x + (1,2,3)
>> print x
>>
>> ?
>
>A vast improvement: clear, unambiguous, and correct.  I can safely pass a
>list as an argument and not have it modified behind my back.  Having to
>write "x" twice on the second line is not good, but if it buys me
>correctness, I'll happily pay that price.

In what version of Python can you pass a list to f() here?
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