alain wrote:
> I have a problem I wonder if it has been solved before.
> I have a dictionnary and I want the values in the dictionnary to be
> annotated with the rank that would be obtained by sorting the values
>
> def annotate_with_rank(my_dict):
> ....
> return my_annotated_dict
>
> In other words, any value a_value would become a 2-tuple
> (a_value,rank_of_a_value)
>
> I seek an elegant solution.
>
> Alain
>
>>> d = dict(a=10, b=5, c=8, d=12)
>>> dict((k, (v, rank)) for rank, (v, k) in
... enumerate(sorted((v, k) for k, v in d.items())))
{'a': (10, 2), 'c': (8, 1), 'b': (5, 0), 'd': (12, 3)}
>>>
# sort by value, then by key since (v,k) must be unique
Michael
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