diff --git a/index.js b/index.js
index e69de29bb..ecc668c5f 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,25 @@
+function shout(string){
+  return string.toUpperCase();
+}
+
+function whisper(string){
+  return string.toLowerCase();
+}
+
+function logShout(string){
+  console.log(string.toUpperCase());
+}
+
+function logWhisper(string){
+  console.log(string.toLowerCase());
+}
+
+function sayHiToGrandma(string){
+  if (string === string.toLowerCase()){
+    return "I can't hear you!";
+  } else if (string === string.toUpperCase()){
+    return "YES INDEED!";
+  } else if (string === "I love you, Grandma."){
+    return "I love you, too.";
+  }
+}