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  1. or download this
    my $i = 0;
    my ($j, $k) = (++$i, ++$i);
    print "\$j: $j\t\$k: $k\n";
    
    $j: 2    $k: 2
    
  2. or download this
    my $i = 0;
    my ($j, $k) = ($i++, $i++);
    print "\$j: $j\t\$k: $k\n";
    
    $j: 0 $k: 1