from abc import ABC, abstractmethod

class Animal(ABC):
    @abstractmethod
    def sound(self):
        print("Animal Sounds")
        pass


class Cat(Animal):
    def sound(self):
        print("Cat meows")


class Dog(Animal):
    def sound(self):
        print("Dog barks")


class Snake(Animal):
    def sound(self):
        super().sound()
        print("Snake hisses")


s = Snake()
s.sound()

# The following lines will give out an error: as we cannot instantiate an abstract class containing an abstract method

# a = Animal()
# a.sound()

# Coded by Saahil