function Animal() { }
Animal.prototype.eat = function() { console.log("nom nom nom"); };

function Dog() { }

// Add your code below this line

Animal.prototype.eat = function() {    
  console.log("nom nom nom");    
};    
function Dog () { }    
Dog.prototype = Object.create(Animal.prototype);    
Dog.prototype.constructor = Dog;
Dog.prototype.bark = function() {    
  console.log("Woof！");    
};

// Add your code above this line

let beagle = new Dog();

beagle.eat(); // Should print "nom nom nom"
beagle.bark(); // Should print "Woof!"