[portland] Sorting A List of Tuples

jason kirtland jek at discorporate.us
Thu Nov 8 19:14:56 CET 2007

Rich Shepard wrote:
> On Thu, 8 Nov 2007, jason kirtland wrote:
>> The array 'sort' method and the 'sorted' function both take an optional
>> 'key' function.  The function is applied to each item in the list and the
>> result is used for comparison instead of the list value itself.
>> If you only want to consider the second item in the tuple, the operator
>> module's 'itemgetter' is perfect:
>    Thanks very much, Jason.

Also, there's a good sorting discussion at python.org:


It has some gems, for example:

   >>> l = ['A', 'b', 'C', 'd']
   >>> sorted(l)
   ['A', 'C', 'b', 'd']
   >>> sorted(l, key=str.lower)
   ['A', 'b', 'C', 'd']


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