appendix fturtle methods method description example (for turtle instance named turtle)tp turtle pos(tp ( turtle setpos( , turtle pos(( , turtle setpos(( , )turtle pos(( , turtle setpos(tpturtle pos(( , turtle heading(return the turtle' current heading example (for turtle instance named turtle)turtle left( turtle heading( turtle hideturtle(makes the turtle invisible aliasesht it' good idea to do this while you're in the middle of complicated drawingbecause hiding the turtle speeds up the drawing observably example (for turtle instance named turtle)turtle hideturtle(turtle isdown(return true if pen is downfalse if it' up example (for turtle instance named turtle)turtle penup(turtle isdown(false turtle pendown(turtle isdown(true turtle isvisible(return true if the turtle is shownfalse if it' hidden example (for turtle instance named turtle)turtle hideturtle(print(turtle isvisible()false this copy belongs to 'acha