From: Arihan Sinha <arihan_sinha@...>
Date: 2011-02-07T21:12:46+09:00
Subject: Re: making hash key from arrays

Thanks for this but I am getting like

[[300, 1], [300, 2], [301, 1], [301, 3], [301, 4], [302, 3], [302, 4]]

but I actually need like

hsh = {"300" =>["1","2"],"301" => ["1","3","4"],"302"=>["3","4"]}

any help

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