V-дерево черепашкой

import turtle
 
Angle = 45
 
def Draw(x, y, l, iterations):
  if iterations > 0:
    turtle.pendown()
    
    turtle.right(Angle)
    turtle.forward(l)
    x1 = turtle.xcor()
    y1 = turtle.ycor()
    
    turtle.goto(x, y)
    turtle.left(2*Angle)
    turtle.forward(l)
    x2 = turtle.xcor()
    y2 = turtle.ycor()
    turtle.right(Angle)
    
    l /= 2
    iterations -= 1
    Draw(x1, y1, l, iterations)
    Draw(x2, y2, l, iterations)
 
turtle.reset()
turtle.left(90)
Draw(turtle.xcor(), turtle.ycor(), 50, 4)

import turtle
 
Angle = 45
 
def Draw(x, y, l, iterations):
  if iterations > 0:
    turtle.setheading(Angle)
    turtle.forward(l)
    Draw(turtle.xcor(), turtle.ycor(), l/2, iterations-1)
    
    turtle.penup()
    turtle.goto(x, y)
    turtle.pendown()
 
    turtle.setheading(180 - Angle)
    turtle.forward(l)
    Draw(turtle.xcor(), turtle.ycor(), l/2, iterations-1)
 
turtle.reset()
 
Draw(turtle.xcor(), turtle.ycor(), 50, 4)

import turtle
 
Angle = 45
 
def Draw(l, iterations):
  if iterations > 0:
    x = turtle.xcor()
    y = turtle.ycor()
 
    turtle.setheading(90+Angle)
    turtle.pendown()
    turtle.forward(l)
    Draw(l/2, iterations-1)
    
    turtle.penup()
    turtle.goto(x, y)
 
    turtle.setheading(90-Angle)
    turtle.pendown()
    turtle.forward(l)
    Draw(l/2, iterations-1)
 
turtle.reset()
turtle.left(90)
Draw(100, 8)