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  1. or download this
    $VAR1 = {
          'int' => 'float',
          'brown' => 'yellow'
        };
  2. or download this
    my %dict = ( 'brown'      => 'yellow',
             /int(\d+)/   => 'int',
             /float(\d+)/ => 'float',
           );
  3. or download this
    my %dict = ( 'brown'      => 'yellow',
             $_ =~ /int(\d+)/   => 'int',
             $_ =~ /float(\d+)/ => 'float',
           );
  4. or download this
    my %dict = ( 'brown'      => 'yellow',
             () => 'int',
             () => 'float',
           );
  5. or download this
    my %dict = ( 'brown'      => 'yellow',
             'int' => 'float',
           );