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  1. or download this
    sub greeting {
        my ($verb, $object) = @_;
    ...
    __END__
    Happy Birthday, L~R
    goodbye, Cruel World
    
  2. or download this
    greeting('Hello', 'Good Looking'); # prints immediately
    greeting('Woah'); # Waits
    ...
    greeting('Nelly'); # prints now that it has both arguments