Thomas Krüger <[EMAIL PROTECTED]> wrote:
> Rehceb Rotkiv schrieb:
> > can I sort a multidimensional array in Python by multiple sort keys? A
> > litte code sample would be nice!
>
> You can pass a function as argument to the sort method of a list.
> The function should take two arguments and return -1, 0 or 1 as
> comparison result. Just like the cmp function.
>
> This will objects in list obj_lst by their id attributes:
>
> def sorter(a, b):
> return cmp(a.id, b.id)
>
> obj_lst.sort(sorter)
A MUCH better way to obtain exactly the same semantics would be:
def getid(a):
return a.id
obj_list.sort(key=getid)
Alex
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