[Tutor] Sorting a list of lists aka nested lists

[Kent Johnson]

mailing list wrote:
> No-one's mentioned a Schwartzian Transform yet ; ) 

because it's obsoleted by the key parameter to sort...

> 
> 
> 
> On 8/15/05, Kent Johnson <kent37 at tds.net> wrote:
> 
>>jfouhy at paradise.net.nz wrote:
>>
>>>Note that in Python2.4+, you can use key= instead:
>>>
>>>def sortKey(lst):
>>> return lst[2]
>>>Quant.sort(key=sortKey)
>>>
>>>This is more effient than specifying a different comparison function, because
>>>the key function is only called once for each element.
>>
>>And instead of defining your own function you can use itertools.itemgetter() which is intended for this purpose:
>>import itertools
>>Quant.sort(key=itertools.itemgetter(2))
>>
>>Kent
>>
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> 
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