def draw_flake(arms):
turtle.penup()
turtle.home()
turtle.clear()
angle = 0
delta_angle = 360 // arms
for _ in range(arms):
turtle.home()
turtle.setheading(angle)
draw_arm()
angle += delta_angle
turtle.penup()
turtle.home()
a()
forward()
a()
right()
forward()
b()
left()
if rule == "b":
right()
a()
forward()
left()
b()
forward()
b()
left()
forward()
a()
right()
turtle = turtle(board.DISPLAY)
turtle.penup()
turtle.setheading(90)
turtle.goto(-80, -80)
turtle.pendown()
hilbert2(5, "a", 90, 5, turtle)
while True:
pass