from  turtle import  *   setup ( 640 ,  480 ,  0 ,  0 )    --------------------------------------------------------------------------    from  turtle import  *   setup ( 450 ,  150 ,  0 ,  0 )  title ( "Ejemplo de ventana" )    --------------------------------------------------------------------------    from  turtle import  *   title ( "Ejemplo de ventana" )    --------------------------------------------------------------------------    from  turtle import  *   setup ( 250 ,  100 ,  0 ,  0 )  title ( "Ejemplo de ventana" )  hideturtle ( )  dot ( 10 ,  0 ,  0 ,  0 )  setup ( 450 ,  150 ,  0 ,  0 )    --------------------------------------------------------------------------    from  turtle import  *   setup ( 450 ,  150 ,  0 ,  0 )  screensize ( 10 ,  10 )    --------------------------------------------------------------------------    from  turtle import  *   setup ( 150 ,  150 ,  0 ,  0 )  screensize ( 300 ,  300 )        from  turtle import  *   setup ...