from enum import Enum

class Jokenpo(Enum):
    PEDRA = 1
    PAPEL = 2
    TESOURA = 3

    @property
    def weakness(self):
        if self == self.PEDRA:
            return self.PAPEL
        elif self == self.PAPEL:
            return self.TESOURA
        else:
            return self.PEDRA

print(Jokenpo.PEDRA.weakness)
print(Jokenpo.PAPEL.weakness)
print(Jokenpo.TESOURA.weakness)