#CODE = #B062
import turtle as t
import colorsys

t.bgcolor('black')
t.speed('fastest')
t.pensize(2)
hue=0.0
t.hideturtle()

for i in range (1000):
	color = colorsys.hsv_to_rgb(hue,1,1)
	t.pencolor(color)
	t.fd(i)
	t.rt(98.5)
	t.circle(50)
	hue +=0.005
	
t.exitonclick()