#!/usr/bin/perl

use strict;
use warnings;
print "Hello World/n";

sub HowdyEveryone {
   my($name1, $name2) = @_;
   return "Hello $name1 and $name2.\n" .
          "Where do you want to go with Perl today?\n";
}
print &HowdyEveryone("bart", "lisa");


sub HowdyEveryone {
   my($greeting, @names) = @_;
   my $returnString;

   foreach my $name (@names) {
       $returnString .= "$greeting, $name!\n";
   }

   return $returnString .
          "Where do you want to go with Perl today?\n";
}
print &HowdyEveryone("Howdy", "bart", "lisa", "homer", "marge",
          "maggie", "pedro");