def iterate(self):
new_grid = Grid()
for x, y in self.get_candidate_cells():
neighbors = self.get_num_of_neighbors(x, y)
alive_now = self[(x, y)]
alive_next = alive_next_turn(neighbors, alive_now)
if alive_next:
new_grid[(x, y)] = True
return new_grid
def iterate(self):
new_grid = Grid()
for x, y in self.get_candidate_cells():
neighbors = self.get_num_of_neighbors(x, y)
alive_now = self[(x, y)]
alive_next = alive_next_turn(neighbors, alive_now)
if alive_next:
new_grid[(x, y)] = True
return new_grid
def test_statusquo_2_neighbors_and_alive_stays_alive():
assert alive_next_turn(2, True)
def test_underpop():
assert not alive_next_turn(1, True)
def test_overpop():
assert not alive_next_turn(4, True)
def test_birth():
assert alive_next_turn(3, False)
def test_statusquo_2_neighbors_and_dead_stays_dead():
assert not alive_next_turn(2, False)
def test_statusquo_3_neighbors_and_alive_stays_alive():
assert alive_next_turn(3, True)
def test_statusquo_2_neighbors_and_dead_stays_dead():
assert not alive_next_turn(2, False)
def test_underpop():
assert not alive_next_turn(1, True)
def test_overpop():
assert not alive_next_turn(4, True)
def test_birth():
assert alive_next_turn(3, False)