[Tutor] Question about Dictionaries

[Dave Angel]

Chorn, Guillaume wrote:
> Hi All,
>
> I know that I can look up the value for a particular key in a
> dictionary, but can I look up the key associated with a particular
> value?  I understand that this could be problematic from the standpoint
> of multiple keys having the same value, but even then I feel like Python
> could just return a list of keys with that value.
>
> Thanks!
>
> Guillaume  
>
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>   
As long as you don't mind it being (relatively) slow, you could do 
something like (untested):

[key for key, item in mydict if item == value]

DaveA