def test_serialize(self):
g = Grid(4, 3)
level_dict = g.serialize_level()
print(level_dict)
level_json = json.dumps(level_dict)
print(level_dict[1][1])
def test_import_level(self):
g = Grid(4, 3)
level_dict = g.serialize_level()
level = g.import_level(level_dict)
print(g)