别忘了结贴，选我为最佳答案

class Frog(object):
    def __init__(self, color: str, mouth: str):
        self.__color = color
        self.__mouth = mouth
    
    @property
    def color(self) -> str:
        return self.__color

    @color.setter
    def color(self, color: str):
        self.__color = color

    @property
    def mouth(self) -> str:
        return self.__mouth

    @mouth.setter
    def mouth(self, mouth: str):
        self.__mouth = mouth

    def talk(self):
        print("I'm " + self.__color + " and have a " + self.__mouth + " mouth")
    
    def eat(self, bug: str):
        print(bug + " is so good")


if __name__ == "__main__":
    frog = Frog('green', 'big')

    print(frog.color)
    print(frog.mouth)

    frog.talk()
    frog.eat('moth')