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  1. or download this
    package personel;
    
    ...
    
    
    return 1;
    
  2. or download this
    use warnings;
    use strict;
    ...
    print "original array (should be unchanged): \n";
    dd \@personnel;
    print "\n";
    
  3. or download this
    c:\@Work\Perl\monks\polmed>perl test.pl
    doesn't work:
    ...
    
    original array (should be unchanged):
    [["amy", 35], ["bill", 55], ["george", 28], ["jason", 71]]