import turtle

STEPSIZE = 10


## moves the turtle from the center to the left
def init_turtle():
    turtle.clear()
    turtle.up()
    turtle.goto(-350,100)
    turtle.down()


## draws one side of the snowflake
def draw_one_side(degree):
    if degree > 0:
        draw_one_side(degree-1)
        turtle.left(60)
        draw_one_side(degree-1)
        turtle.right(120)
        draw_one_side(degree-1)
        turtle.left(60)
        draw_one_side(degree-1)
    else:
        turtle.forward(STEPSIZE)

## draws a Koch snowflake
def draw_snowflake(degree):
    draw_one_side(degree)
    turtle.right(120)
    draw_one_side(degree)
    turtle.right(120)
    draw_one_side(degree)


def main():
    init_turtle()
    draw_snowflake(3)


main()