class Chocolate():

    def __init__(self, cacao_content):
        self.cacao_content = cacao_content

    @classmethod
    def sweet(cls):
        return cls(cacao_content = 30)

    @classmethod
    def semisweet(cls):
        return cls(cacao_content = 50)

    @classmethod
    def bittersweet(cls):
        return cls(cacao_content = 70)

    @classmethod
    def bitter(cls):
        return cls(cacao_content = 99)

#Testing

choco = Chocolate.bittersweet( )
print(choco.cacao_content)

milo = Chocolate.semisweet( )
print(milo.cacao_content)

ch = Chocolate.bitter( )
print(ch.cacao_content)