from turtle import *

def draw(word,lenght):
    i=1
    for w in word:
        forward(lenght)
        if w=="0":
            if i%2==0:
                left(90)
            else:
                right(90)
        i+=1

def fibonacciWord(n):
    if n==1:
        return "1"
    if n==2:
        return "0"
    return fibonacciWord(n-1)+fibonacciWord(n-2)

n=30
lenght=1 
w=fibonacciWord(n)
penup()
goto(-250,500)
pendown()
tracer(100)
draw(w,lenght)

Fibonacci word

A classic to learn fractal and turtle with python!

clear, precise, incisive