gistfile1.txt

from PIL import Image
from PIL import ImageDraw
from math import tanh
import random

Size = 512

im = Image.new("RGB", (Size, Size), "#fff")
draw = ImageDraw.Draw(im)


def count(z):
    r = 0
    a = random.randint(278, 281)
    if z == 0:
        return 0
    while abs(z) < 1:
        r += 1
        z = z * z + a * 0.001
    return r


for x in range(Size):
    for y in range(Size):
        z1 = (x + Size / 0.8) * 0.25 / Size + (y - Size / 1) * 0.25 / Size * 1j
        c1 = int(255 * tanh(0.02 * count(z1)))
        z2 = (Size - x + Size / 0.8) * 0.25 / Size + (Size - y - Size / 1) * 0.25 / Size * 1j
        c2 = int(255 * tanh(0.02 * count(z2)))
        draw.point(
            (x, y),
            (c1, c2, 70, 255)
        )


def main():
    file_name = __file__[:-2] + 'png'
    im.save(file_name)
    im.show()


if __name__ == '__main__':
    main()