python_practics

   import turtle as tu

   import random # import random module



my_turtle = tu.Turtle()

my_turtle.screen.bgcolor('red')

my_turtle.left(90)

my_turtle.speed(20)

my_turtle.color('green')

my_turtle.pensize(5)

my_turtle.screen.title("My Fractal Tree")

 

def draw_fractal(blen):

     

    # add these two lines

    sfcolor = ["white", "blue", "purple", "grey", "magenta"]

    my_turtle.color(random.choice(sfcolor))

 

    if(blen<10):

        return

    else:

 

        my_turtle.forward(blen)

        my_turtle.left(30)

        draw_fractal(3*blen/4)

        my_turtle.right(60)

        draw_fractal(3*blen/4)

        my_turtle.left(30)

        my_turtle.backward(blen)

 

draw_fractal(80)

my_turtle = tu.done()