import turtle
def coch(size, n):
if n == 0:
turtle.fd(size)
else:
for angle in [0, 60, -120, 60]:
turtle.left(angle)
coch(size / 3, n - 1)
def main():
turtle.setup(600, 600)
turtle.penup()
turtle.bgcolor(“white”)
turtle.pensize(2)
turtle.goto(-200, 100)
turtle.pendown()
level = 3
coch(400, level)
turtle.right(120)
coch(400, level)
turtle.right(120)
coch(400, level)
turtle.hideturtle()
main()