diff --git a/index.js b/index.js
index 132693a35c..cf5b4db012 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,36 @@
 // Write your solution here!
+
+const cats = ['Milo', 'Otis', 'Garfield'];
+
+function destructivelyAppendCat() {
+  cats.push('Ralph');
+};
+
+function destructivelyPrependCat() {
+  cats.unshift('Bob');
+};
+
+function destructivelyRemoveLastCat() {
+  cats.pop();
+};
+
+function destructivelyRemoveFirstCat() {
+  cats.shift();
+};
+
+function appendCat() {
+  return appendCat = [...cats, 'Broom'];
+};
+
+function prependCat() {
+  return prependCat = ['Arnold', ...cats];
+};
+
+function removeLastCat() {
+  return removeLastCat = [...cats.slice(0,-1)];
+};
+
+function removeFirstCat() {
+  return removeFirstCat = [...cats.slice(1)];
+};
+