from abc import ABC, abstractmethod

class People(ABC):
    # @abstractmethod
    def walk(self):
        pass

    @abstractmethod
    def eat(self):
        pass
        
    def auto(self):
        self.walk()
        self.eat()

class kid1(People):
    def __init__(self):
        pass

    def walk(self):
        print('走路')

    def eat(self):
        print('吃饭')

if __name__ == '__main__':
    k = kid1()
    k.auto()