def fractal(n):
    ptscolor1 = []
    ptscolor2 = []
    ptscolor3 = []
    ptscolor4 = []
    last = (0,0)
    for i in range(n):
        select = randint(0,3)
        (x,y) = last
        if select == 0:
            last = (x*.3+ 1, y*.3+ 1)
            ptscolor1.append(last)
        if select == 1:
            last = (-x, y)
            ptscolor2.append(last)
        if select == 2:
            last = (x, -y)
            ptscolor3.append(last)
        if select == 3:
            last = ((x*0.707 - y*0.707), (x*0.707+ y*0.707))
            ptscolor4.append(last)
    show(points(ptscolor1, color='red') + points(ptscolor2, color='blue') + points(ptscolor3, color='orange') + points(ptscolor4, color='purple'), aspect_ratio=1)

fractal(9000)