If keys and values are unique, maybe just store both in the same
dictionary:
mydict[a] = b
mydict[b] = a
...
Gerry
On Jul 14, 8:31 am, Impotent Verse <[EMAIL PROTECTED]> wrote:
> If keys and values are unique you could do this...
>
> --------------
>
> # Left : Right
> roman = { "One" : "I",
> "Two" : "II",
> "Three" : "III",
> "Four" : "IV",
> "Five" : "V",
> "Six" : "VI",
> "Seven" : "VII",
> "Eight" : "VIII",
> "Nine" : "IX",
> "Ten" : "X" }
>
> left, right = zip( *roman.items() )
> left = list(left)
> right = list(right)
>
> print left[ right.index("VIII") ]
>
> --------------
>
> ... result is "Eight".
>
> Hmmm! zip returns tuples, which need to be turned into lists to do
> much with. Maybe not the best solution in this case.
>
> Verse.
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