$ perl -Mstrict -Mwarnings -E '
> my( @odds, @evens );
> push @{ $_ % 2 ? \ @odds : \ @evens }, $_ for 1 .. 10;
> say qq{ Odds: @odds};
> say qq{Evens: @evens};'
 Odds: 1 3 5 7 9
Evens: 2 4 6 8 10
$