diff --git a/index.js b/index.js
index 24654ec2d1..e049a89d73 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,33 @@
-var kittens = [] //define your array here
+var kittens = ["Milo", "Otis", "Garfield"];
 
-// Add your functions and code here
+function destructivelyAppendKitten(name) {
+ return kittens.push(name);
+}
+
+function destructivelyPrependKitten(name) {
+  return kittens.unshift(name);
+}
+
+function destructivelyRemoveLastKitten() {
+  return kittens.pop();
+}
+
+function destructivelyRemoveFirstKitten() {
+  return kittens.shift();
+}
+
+function appendKitten(name) {
+  return [...kittens, name];
+}
+
+function prependKitten(name) {
+  return [name, ...kittens];
+}
+
+function removeLastKitten() {
+  return kittens.slice(0, kittens.length-1);
+}
+
+function removeFirstKitten() {
+  return kittens.slice(1);
+}
\ No newline at end of file