import turtle
t = turtle.Turtle()
p = turtle.Turtle()
s = turtle.Screen()
s.bgcolor("black")
t.pencolor("green")
a = 0
b = 0
t.speed(0)
t.penup()
t.goto(0,200)
t.pendown()

while True:
	t.forward(a)
	t.right(b)
	a+=3
	b+=1
	if b ==210:
		break
	t.hideturtle()

turtle.done()
