my %annoying;
$annoying {"I am"}= "you are";
$annoying {"you are"} = "I am";
$key = "I am";
for (1..10) {
    print $annoying{$key}," glad ";
    $key= $annoying{$key};
}
print ".";
[download]

PerlMonks parthenogenetically spawned by Tim Vroom.
PerlMonks went on a couple dates, and then decided to shack up with The Perl Foundation.
Marvelous Managed Hosting and Bandwidth Generously Provided by pair Networks
Built with the Perl programming language.