from math import *
from turtle import *



A = (1+sqrt(5))/2
angle =90
steps = 600
t = Turtle()
t.left(90)
tracer(0)


for i in range(10):
    for i in range(steps):
        t.right(angle/steps)
        t.fd(1)

    for i in range(4):
        t.right(angle)
        t.fd(steps/((2*pi)/4))

    steps = int(steps / A)

update()
done()