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  1. or download this
    my( @found ) = grep { ( ref $fruit{ $_ } eq 'ARRAY' ? (grep { $_ eq $s
    +earch } @{ $fruit{ $_ } } ) : $fruit{$_} eq $search ) } keys %fruit;
    
  2. or download this
    my( @found ) = grep { grep $_ eq $search, @{ $fruit{ $_ } } } keys %fr
    +uit;
    
  3. or download this
    my %fruits = (
      apple  => { red => 1, green => 1 }, 
      kiwi   => { green => 1 },
      banana => { yellow => 1 }
    );