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  1. or download this
    #!/usr/bin/perl 
    
    ...
       print "The numbers to be added are: @args\n";
       return $args[0] + $args[1], "\n";
    }
    
  2. or download this
    #!/usr/bin/perl
    #sum, product, square
    ...
    my $int_y = '23';
    warn Dumper($client->sumprod($int_x, $int_y));
    warn Dumper($client->square($int_x));