gistfile1.py

UNKNOWN = "*"
BOMB = "B"
GRID_SIZE = 5

def init1():
	return [[UNKNOWN] * GRID_SIZE] * GRID_SIZE

def init2():
	grid = []
	for i in range(GRID_SIZE):
		row = [UNKNOWN] * GRID_SIZE
		grid.append(row)
	return grid

def p(g): [print(line) for line in g]; print()

grid1 = init1()
grid2 = init2()
p(grid1)
p(grid2)

grid1[1][3] = BOMB
grid2[1][3] = BOMB
p(grid1)
p(grid2)