Python枚举 类型规范 枚举 1 2 3 4 5 6 from enum import Enum class ModelName(str, Enum): alexnet = "alexnet" resnet = "resnet" lenet = "lenet" 继承 这里同时继承了 str 和 Enum 1 2 3 4 5 6 from enum import Enum class ModelName(str, Enum): alexnet = "alexnet" resnet = "resnet" lenet = "lenet"