XML Flash ActionScript

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  4. Use E4X to total the prices of all of the elements with a price attribute
package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){
        var cart:XML = 
                          crayons
                          pencils
                          
                            blue pen
                            black pen
                          
                        ;
        
        var total:Number = 0;
        
        for each ( var price:XML in cart..@price ) {
          total += price;    
        }
        
        trace( total );
    }
  }
}