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  1. or download this
    sub is_in_list {
      return !!grep { $_ eq $_[0] } @_[ 1 .. $#_ ];
    ...
    __output__
    
    baz is in list
    
  2. or download this
      use Data::Dumper;
    
    ...
    
      $VAR1 = '';
      $VAR1 = '1';