import turtle
turtle.reset()
turtle.speed(10000)

def cn(x1,y1,a, N):
if N>0:
       turtle.pu()
       turtle.goto(x1,y1)
       turtle.left(90)
       turtle.pd()
       turtle.right(30)
       turtle.forward(a)
       turtle.backward(a)
       turtle.right(60)
       turtle.forward(a)
       turtle.backward(a)
       turtle.right(60)
       turtle.forward(a)
       turtle.backward(a)
       turtle.right(60)
       turtle.forward(a)
       turtle.backward(a)
       turtle.right(60)
       turtle.forward(a)
       turtle.backward(a)
       turtle.right(60)
       turtle.forward(a)
       turtle.backward(a)
       turtle.pu()
       turtle.pd()
       cn (x1+a/2,y1+0.86*a,a/3,N-1);
       turtle.pu()
       turtle.pd()
       cn (x1+a,y1,a/3,N-1);
       turtle.pu()
       turtle.pd()
       cn (x1+a/2,y1-0.86*a,a/3,N-1);
       turtle.pu()
       turtle.pd()
       cn (x1-a/2,y1-0.86*a,a/3,N-1);
       turtle.pu()
       turtle.pd()
       cn (x1-a,y1,a/3,N-1);
       turtle.pu()
       turtle.pd()
       cn (x1-a/2,y1+0.86*a,a/3,N-1);
       turtle.pu()
       turtle.right(120)
turtle.exitonclick()

import turtle


def cn(x1,y1,a, N):
     #код функции я пропустил
           
turtle.reset()
turtle.speed(10000)           
cn(100,100,50,3)           
turtle.exitonclick()