why does this unpacking work

[Marc 'BlackJack' Rintsch]

In <%ba_g.133$1n3.3373 at news.tufts.edu>, John Salerno wrote:

> johnzenger at gmail.com wrote:
>> It's just sequence unpacking.  Did you know that this works?:
>> 
>> pair = ("California","San Francisco")
>> state, city = pair
>> print city
>> # 'San Francisco'
>> print state
>> # 'California'
> 
> Yes, I understand that. What confused me was if it had been written like 
> this:
> 
> pair = (("California","San Francisco"))

Uhm, you mean::

 pair = (("California","San Francisco"),)

Note the extra comma to make that "a tuple in a tuple".

Ciao,
	Marc 'BlackJack' Rintsch