Python Farm

class Animal:
    __name = "";
    __family = "";

    def __init__(self, name, family):
        self.__name = name;
        self.__family = family;

    def getName(self):
        return self.__name;

    def getFamily(self):
        return self.__family;

class Farm:
    __size = 0;
    __name = "";
    __farm_array = [None];

    def __init__(self, size, name):
        self.__size = size;
        self.__name = name;

    def setSize(self, size):
        self.__size = size;
        self.__farm_array = [None] * size;
    def getSize(self):
        return self.__size;

    def setName(self, name):
        self.__name = name;
    def getName(self):
        return self.__name;

    def addAnimal(self, animal):
        self.__farm_array.append(animal);

    def displayFarm(self):
        print("\n-----------------");
        print("Displaying Farm:", self.__name);
        print("-----------------\n");
        for i in range(0, self.__size):
            print("Animal #", i + 1, "'s Name:", self.__farm_array[i - self.__size].getName());
            print("Animal #", i + 1, "'s Family:", self.__farm_array[i - self.__size].getFamily(), "\n");

farm_size = int(input("Enter Size of Farm: "));
farm_name = input("Enter Name of Farm: ");
new_farm = Farm(farm_size, farm_name);

for i in range(0, farm_size):
    ani_name = input("\nEnter Animal Name: ");
    ani_family = input("Enter Animal Family: ");

    new_ani = Animal(ani_name, ani_family);
    new_farm.addAnimal(new_ani);

new_farm.displayFarm();