1. """模拟生命繁衍"""
    2. import itertools
    5. def get_board(size, alive_cons):
    6.     return [[1 if (i, j) in alive_cons else 0
    7.              for j in range(size)]
    8.             for i in range(size)]
    11. def get_neighbors(con):
    12.     x, y = con
    13.     neighbors = [(x + i, y + j)
    14.                  for i in range(-1, 2)
    15.                  for j in range(-1, 2)
    16.                  if not i == j == 0]
    17.     return neighbors
    20. def calculate_alive_neighbors(con, alive_cons):
    21.     con_live = filter(lambda x: x in alive_cons, get_neighbors(con))
    22.     return len(list(con_live))
    25. def is_alive_con(con, alive_cons):
    26.     alive_neighbors = calculate_alive_neighbors(con, alive_cons)
    27.     if (alive_neighbors == 3 or (alive_neighbors == 2 and con in alive_cons)):
    28.         return True
    29.     return False
    32. def new_step(alive_cons):
    33.     board = itertools.chain(*map(get_neighbors, alive_cons))
    34.     new_board = set([con for con in board if is_alive_con(con, alive_cons)])
    35.     return list(new_board)
    38. def is_correct_con(size, con):
    39.     x, y = con
    40.     return all(0 <= coord <= size - 1 for coord in [x, y])
    43. def correct_cons(size, cons):
    44.     return list(filter(lambda x: is_correct_con(size, x), cons))
    47. def print_board(board):
    48.     for line in board:
    49.         print(line)
    50.     print()
    53. def main():
    54.     size = 5
    55.     board = [(0, 2), (1, 1), (1, 2), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3)]
    56.     print_board(get_board(size, board))
    57.     for _ in range(10):
    58.         board = correct_cons(size, new_step(board))
    59.         print_board(get_board(size, board))
    62. if __name__ == '__main__':
    63.     main()