枚举类 Enum(from enum impor Enum)

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定义

from enum import Enum

Month = Enum('Month', ('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'))

使用

print(Month(1)) # Month.Jan 
print(Month(1).name) # Jan.  每一个枚举类默认有一个value，从1开始.