     var energyLevel = myDog.play().1
     myDog.eat(&energyLevel)
 }
+
+dogTwo = nil
+

myCat.energy = 90


var dogTwo = Dog(breed: "Dauchsund", color: "Gray")
dogTwo.name = "Kaycee"
dogTwo.barking = true


var myDog = Dog(breed: "Dauchsund", color: "Black")

print("Energy Level is \(myDog.energy)")
print(myDog.bark(DogFoes.cat).1)

dogTwo!.barking
myDog.barking

if dogTwo!.barking {
activities[5]
} else {
    print("\(dogTwo!.name!) is not barking.")
}


