clear()
//Draw octagon
setFillColor(green)
setBackground(yellow)
right()
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)
forward(100)
left(45)