sorting dictionary keys?

[Emile van Sebille]

John Smith
> Hi, what's the fastest way (least amount of typing) to sort
dictionary
> objects by the key?  What's the fastest way of iterating over sorted
keys
> for a dictionary in terms of performance?  Are the two equivalent?
>
> The way I have been doing it is:
>
> d = {}
> #populate d
> keys = d.keys()
> keys.sort()
> for k in keys:
>     print k, d[k]
>
> but I would like to do:
> #error here
> for k in d.keys().sort():

sort sorts in place and doesn't return anything.  In 2.4 you'll have
the sorted method.

>     print k, d[k]
>
> why doesn't the nested function call work?  Thanks in advance.
>
>

The shortest thing to type?  You're there with s = d.keys() and
s.sort().

--

Emile van Sebille
emile at fenx..com