class Animal:
    def __init__(self,name,species,age):
        self.name = name
        self.species = species
        self.age = age
    def make_sound(self):
        print()

class Bird(Animal):
    def __str__(self):
        return f"({self.species},{self.age})"

    def make_sound(self):
        print("chirp chirp")

class Mammal(Animal):
    def __str__(self):
        return f"({self.species},{self.age})"
    def make_sound(self):
        print("roar")

def main():
    animals = {}
    while True:
        print("1. Add new mammal")
        print("2. Add new bird")
        print("3. List all animals")
        print("4. Animal concert")
        print("5. exit")

        user_input = int(input("(1/2/3/4)?: "))
        if user_input == 1:
            age = input("Age: ")
            species = input("Species: ")
            name = input("Name: ")
            animals[name] = str(Bird(name, species, age))
            print()

        if user_input == 2:
            age = input("Age: ")
            species = input("Species: ")
            name = input("Name: ")
            animals[name] = str(Mammal(name, species, age))
            print()

        if user_input == 3:
           print(animals)
           print()

        if user_input == 4:
            for animal_object in animals.values():
                animal_object.make_sound()

        if user_input == 5:
            break

main()