from enum import Enum, unique
@unique
class Weekday(Enum):
    Sun = 0
    Mon = 1
    Tue = 2
    Wed = 3
    Thu = 4
    Fri = 5
    Sat = 6

day1 = Weekday.Mon
print(day1)                        #显示：Weekday.Mon
print(Weekday.Tue)        #显示：Weekday.Tue
print(Weekday['Tue'])    #显示：Weekday.Tue
print(Weekday.Tue.value)            #显示：2
print(day1 == Weekday.Mon)   #显示： True
print(Weekday(1))                       #显示： Weekday.Mon