diff --git a/index.js b/index.js
index 24654ec2d1..466a5489b0 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,46 @@
-var kittens = [] //define your array here
+var kittens = ["Milo", "Otis", "Garfield"] //define your array here
 
 // Add your functions and code here
+function destructivelyAppendKitten(name) {
+  kittens.push(name);
+  return kittens;
+}
+
+function destructivelyPrependKitten(name) {
+  kittens.unshift(name);
+  return kittens;
+}
+
+function destructivelyRemoveLastKitten() {
+  kittens.pop();
+  return kittens;
+}
+
+function destructivelyRemoveFirstKitten() {
+  kittens.shift();
+  return kittens;
+}
+
+function appendKitten(name) {
+  return [...kittens, name];
+  //var addLast = kittens.concat(name);
+  //return addLast;
+}
+
+function prependKitten(name){
+  return [name, ...kittens];
+  //var addFirst = [name, ...kittens];
+  //return addFirst;
+}
+
+function removeLastKitten() {
+  return kittens.slice(0, kittens.length-1);
+  //var lastRemoved = kittens.slice(0, array.length-1);
+  //return lastRemoved;
+}
+
+function removeFirstKitten() {
+  return kittens.slice(1);
+  //var firstRemoved = kittens.slice(1);
+  //return firstRemoved;
+}
\ No newline at end of file