Dict comprehension help

[Joseph L. Casale]

>You could put the loop into a helper function, but if you are looping
>through the same my_list more than once why not build a lookup table
>
>my_dict = {d["key"]: d for d in my_list}
>
>and then find the required dict with
>
>my_dict[value]

I suppose, what I failed to clarify was that for each list of dicts, I may
only extract out one (maybe two) dicts, but I have several to do this for.

The tidy one-liners make for populating the vars in __init__ nice and clean.

Much appreciated guys, thanks!
jlc