[Tutor] sorting tuples

[Raymond Hettinger]

Convert the outer tuple to a list so that it can be sorted:

>>> a = ((4,1,8), (9,2,5),(3,6,9))
>>> b = list(a)
>>> b.sort()
>>> a = tuple(b)
>>> print a
((3, 6, 9), (4, 1, 8), (9, 2, 5))


Raymond Hettinger

----- Original Message ----- 
From: "Maximiliano Ichazo" <max_ig@yahoo.com>
To: <tutor@python.org>
Sent: Monday, May 20, 2002 9:55 AM
Subject: [Tutor] sorting tuples


> I have the following problem with tuples: 
> 
> I have a tuple with tuples in it (these sub-tuples have three items
> each). I want to sort the items of the main tuple based on the first
> item of the sub-tuples. However I don't know how can I do this.
> 
> Thanks in advance.
> 
> Max
> 
> 
> 
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