How can i retrieve a key from a dictionary?

[Husam]

Prabhu Ramachandran wrote:

> >>>>> "HJ" == Husam <h.jehadalwan at student.kun.nl> writes:
>
>     HJ> how can one retrieve or select a key from a dictionary?
>     HJ> dict={} dict[1]='one' dict[2]='two'
>
>     HJ> dict.keys() will gets all the keys. but, i need to select
>     HJ> explicitly one key for printing along its value.
>
> Try this:
>
> dict.keys()[dict.values().index('one')]
>
> prabhu

it works, but wat does the -index-  means?