rekursionsbaum.py 文件源码

def zweig(laenge = 10, winkel=30, divisor=2):
    if laenge < 2:
        return
    turtle.forward(laenge)
    turtle.left(winkel)
    zweig(laenge//divisor, winkel, divisor)
    turtle.right(winkel*2)
    zweig(laenge//divisor, winkel, divisor)
    turtle.left(winkel)
    turtle.penup()
    turtle.forward(-laenge)
    turtle.pendown()