my @values= @hash[@array];

##</code><code>##

    my $key= @array[2];
     my $value= $hash{$key};

##</code><code>##

    my $key= $array_of_hashes[2]{key};
    my $value= $array_of_hashes[2]{value};

##</code><code>##

    my( $key, $value )= @{$array_of_hashes[2]}{qw( key value )};