class Animal:
    races = []

    def __init__(self,x,y,z):
        self.species = x
        self.race = y
        self.gender = z
        Animal.races.append(y)

print(Animal.races)
Fido = Animal("ligemeget","race1","ligemeget")
print(Animal.races)
Fido2 = Animal("ligemeget","race2","ligemeget")
print(Animal.races)
Fido3 = Animal("ligemeget","race3","ligemeget")
print(Animal.races)
Fido4 = Animal("ligemeget","race4","ligemeget")
print(Animal.races)