Reference a non-exist hash value : value « Hash « Perl

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Perl » Hash » value 
Reference a non-exist hash value
   

#!/usr/bin/perl -w

use strict;
 
my %where (
        G     => "Dallas",
        L     => "Exeter",
        I     => "Reading",
        S     => "Oregon"
);

delete $where{L};
print "Lucy lives in $where{L}\n";

   
    
    
  
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