```python from pygame import *

WIDTH = 600 HEIGHT = 400

WHITE = Color(255, 255, 255) BLACK = Color(0, 0, 0)

screen = display.set_mode([WIDTH, HEIGHT])

x = WIDTH // 2 y = HEIGHT // 2 dire = 0

Create: Turmite

while True: # "RL" Langston Ant for i in range(100): cell = screen.get_at((x, y)) if cell == WHITE: screen.set_at((x, y), BLACK) dire = abs((dire + 1) % 4) elif cell == BLACK: screen.set_at((x, y), WHITE) dire = abs((dire - 1) % 4)

    if dire == 0:
        y -= 1
    elif dire == 1:
        x += 1
    elif dire == 2:
        y += 1
    elif dire == 3:
        x -= 1

    x %= WIDTH
    y %= HEIGHT

display.update()
time.delay(16)

````