diff --git a/index.js b/index.js
index 132693a35c..d53e0debb0 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,33 @@
-// Write your solution here!
+const cats = ["Milo", "Otis", "Garfield"];
+
+function destructivelyAppendCat(name){
+    cats.push(name);
+}
+
+function destructivelyPrependCat(name){
+    cats.unshift(name);
+}
+
+function destructivelyRemoveLastCat(){
+    cats.splice(-1);
+}
+
+function destructivelyRemoveFirstCat(){
+    cats.shift();
+}
+
+function appendCat(name){
+    return [...cats,name];
+}
+
+function prependCat(name){
+    return [name,...cats];
+}
+
+function removeLastCat(){
+    return cats.slice(0,-1);
+}
+
+function removeFirstCat(){
+    return cats.slice(1);
+}
\ No newline at end of file