| 1 | """Langton's Ant, by Al Sweigart al@inventwithpython.com |
| 2 | A cellular automata animation. Press Ctrl-C to stop. |
| 3 | More info: https://en.wikipedia.org/wiki/Langton%27s_ant |
| 4 | This code is available at https://nostarch.com/big-book-small-python-programming |