game-of-life.py

import time, os

size = 25

b = [[0 for x in xrange(size)] for x in xrange(size)]
a = [[0 for x in xrange(size)] for x in xrange(size)]


b[10][10] = 1
b[11][11] = 1
b[11][10] = 1
b[10][11] = 1


b[2][1] = 1
b[3][1] = 1
b[4][1] = 1
b[5][1] = 1
b[1][2] = 1
b[5][2] = 1
b[5][3] = 1
b[1][4] = 1
b[4][4] = 1


def create_new_bord(b):

    b_prime = [[0 for x in xrange(size)] for x in xrange(size)]

    for x in xrange(1, len(b)-1):
        for y in xrange(1, len(b)-1):
            n = b[x-1][y] + b[x-1][y-1] + b[x-1][y+1] + b[x+1][y] + b[x+1][y+1] + b[x+1][y-1] + b[x][y-1] + b[x][y+1]

            if b[x][y] == 1 and (n < 2 or n > 3):
                b_prime[x][y] = 0

            elif n == 3 and b[x][y] == 0:
                b_prime[x][y] = 1

            else:
                b_prime[x][y] = b[x][y]

    return b_prime

def print_b():
    for x in xrange(len(b)):
        a[x] = [1 if e == 1 else ' ' for e in b[x]]


    print('\n'.join([''.join(['{:4}'.format(item) for item in row])
         for row in a]))


def cls():
   os.system(['clear','cls'][os.name == 'nt'])

while True:
    print_b()
    b = create_new_bord(b)
    time.sleep(0.3)
    cls()