Sorting a multidimensional array by multiple keys
steven.bethard at gmail.com
Mon Apr 2 16:06:47 CEST 2007
Thomas Krüger wrote:
> Alex Martelli schrieb:
>> Thomas Krüger <newsgroups at nospam.nowire.org> wrote:
>>> def sorter(a, b):
>>> return cmp(a.id, b.id)
>> A MUCH better way to obtain exactly the same semantics would be:
>> def getid(a):
>> return a.id
> Frankly speaking the purpose of the example was to show how to pass a
> function as argument for the sort method.
> Your code may be more efficient but it explains something different.
Yes, but there's almost never a reason to use the cmp= argument to
sort() anymore. It's almost always better to use the key= argument.
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