From: Lucky Nl <lakshmi27.u@...>
Date: 2011-08-25T02:12:34+09:00
Subject: eliminate duplicate key based on value

HI friends ,

i have hash as below

list = {"18" => 1,"15" => 2,"15" => 3,"17" => 4,"18" => 5}
above hash there 2 duplicatekeys with values 2,3.I want to keep only one
key=> value based on value i prefered
here  i want to get result as below if i select value  3
 {"18" => 1,"15" => 3,"17" => 4,"18" => 5}

If i select value 2 i want result as   {"18" => 1,"15" => 2,"17" =>
4,"18" => 5}
Can anybody help me

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