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  1. or download this
    my $i = 0;
    my ($j, $k) = (++$i, ++$i); #Pre-increment
    print "\$j: $j\t\$k: $k\n";
    
  2. or download this
    $j: 2    $k: 2
    
  3. or download this
    $j: 1    $k: 2
    
  4. or download this
    my $i = 0;
    my ($j, $k) = ($i++, $i++); #Pre-increment
    print "\$j: $j\t\$k: $k\n";
    
  5. or download this
    $j: 0    $k: 1