import enum as _enum

class COCO(_enum.Enum):
    J = (1, 2)
    U = (1, 3)
    M = (4, 5)
    B = (1, 2)
    O = (1, 2)

for coco in COCO:
    print("iter", coco)

for (coco, jumbo) in COCO.__members__.items():
    print("member", coco, jumbo)