enum
3.0
from enum import Enum
>>> class Color(Enum):
... RED = 1
... GREEN = 2
... BLUE = 3
from enum import Enum, auto
class Color(Enum):
... RED = auto()
... BLUE = auto()
... GREEN = auto()
2.7
class MoveResultType(object):
OPTION = 0
PAYMENT = 1
REWARD = 2
STOP_ROUND = 3