Hello, say

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

say "Hello, Perl";
say "Swiftener playground";

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

# ignored
say "Ada";
say "Alan";

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

my $city = "Nairobi";
say "printed: $city";

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

say 1 + 2;
say "1" . "2";