Sort cities and numbers.

Goal

Say sorted cities and numeric units.

use strict;
use warnings;
use feature 'say';

my @cities = ("Kisumu", "Nairobi", "Mombasa");
say join(", ", sort @cities);

use strict;
use warnings;
use feature 'say';

my @units = (12, 5, 8);
say join(", ", sort { $a <=> $b } @units);

use strict;
use warnings;
use feature 'say';

my @units = (12, 5, 8);
say join(", ", sort { $b <=> $a } @units);

use strict;
use warnings;
use feature 'say';

my @cities = ("Eldoret", "Nakuru", "Nairobi");
say (sort @cities)[0];