qw(Nairobi Mombasa) is a word list. Context matters.

Goal

Say a qw list and its count.

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

my @cities = qw(Nairobi Mombasa Kisumu);
say $cities[0];
say scalar @cities;

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

my @units = qw(12 8 5);
say join(", ", @units);

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

my $count = qw(Nakuru Eldoret Nairobi);
say $count;

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

say join(" / ", qw(Nairobi Kisumu));