go 20,20 commands the turtle to go to a certain place on the canvas. Counted from the upper left corner, this place is 20 pixels across from the left, and 20 pixels down from the top of the canvas. Note that using the go command the turtle will not draw a line.
go 20, 20 Aquesta ordre permet a la tortuga anar al vèrtex del quadrant 20 pixels cap a l' esquerra, i 20 pixels cap a amunt en el tauler. Nota: quan empreu l' ordre go no us dibuixarà la línia.