 myCat.energy = 90
 
 
-var dogTwo = Dog(breed: "Dauchsund", color: "Gray")
-dogTwo.name = "Kaycee"
-dogTwo.barking = true
+var dogTwo: Dog? = Dog(breed: "Dauchsund", color: "Gray")
+dogTwo!.name = "Kaycee"
+dogTwo!.barking = true
 
 
 var myDog = Dog(breed: "Dauchsund", color: "Black")

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

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.")
}


