making fractals in python

[evil_daffid]

hi,
Im reseaching fractals, and how to make them in python using recursion.
I've written a bit of code to make the   koch isalnd   but something isn't
right, I have the basic shape but there's something wrong with the
recursion i've used, could someone help me.

Here is the code im using:

import turtle
turtle.clear

def koch_line(line_length, smallest):
        third = line_length/3
        if (third <= smallest):
                turtle.forward(line_length)
        else:
                koch_line(third,smallest)
        turtle.right(90)
        if(third<=smallest):
                turtle.forward(line_length/2)
        else:
                koch_line(line_length/2, smallest)
        turtle.right(90)
        if (third <= smallest):
                turtle.forward(third)
        else:
                koch_line(line_length/2, smallest)
        turtle.left(90)
        if (third <= smallest):
                turtle.forward(third)
        else:
                koch_line(line_length,smallest)
        if (third <= smallest):
                turtle.forward(line_length)
        else:
                koch_line(third,smallest)
        turtle.right(90)
        if(third<=smallest):
                turtle.forward(line_length/2)
        else:
                koch_line(line_length/2, smallest)
        turtle.right(90)
        if (third <= smallest):
                turtle.forward(third)
        else:
                koch_line(line_length/2, smallest)
        turtle.left(90)
        if (third <= smallest):
                turtle.forward(third)
        else:
                koch_line(line_length,smallest)
        return

def koch(line_length, smallest):
        koch_line(line_length, smallest)
        turtle.left(90)
        koch_line(line_length, smallest)
        turtle.left(90)
        koch_line(line_length, smallest)
        return

koch(500,10)

Thank you for your help


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