"...explain..."

#!/usr/bin/env perl
use strict;
use warnings;
use feature qw(say);

my $immortal = q(Connor MacLeod);
my $immortal = q(The Kurgan);

say qq("There can be only one");

__END__

karls-mac-mini:monks karl$ ./my.pl

"my" variable $immortal masks earlier declaration in same scope at ./m
+y.pl line 8.
"There can be only one"
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Regards, Karl