public class Lect25d
{
  public static void main (String[] args)
  {
    Picture tp1;
    tp1 = new Picture (480, 640);
    
    Turtle t1 = new Turtle (tp1);
    t1.setPenWidth (5);
    Turtle t2 = new Turtle (tp1);
    t2.setPenWidth (5);
   
    t1.drawRegularPolygon (7, 50);
    
    t2.drawRegularPolygon (4, 90);
    
    tp1.show();
  }
}