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#!/usr/bin/perl -w
use strict;
...
#how to organize this data and loop thru to populate %pets from @info 
+and extract output as below  This is the part that I struggle with

exit;

# Desired output from printing %pets: single line with unique elements
+ for #the species and color arrays and fields separated by ":"

#"Mary":"Owens":"cat":"white"
#"Bill":"Thompson":"cat","dog","hamster":"white","black","brown"
#"Bill":"Smith":"goldfish","dog","turtle":"yellow","spotted","green"