diff --git a/index.js b/index.js
index e69de29bb2d..0dcc553b91f 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,23 @@
+function shout(string){
+  return string.toUpperCase()
+}
+function whisper(string){
+  return string.toLowerCase()
+}
+function logShout(string){
+  console.log(shout(string))
+}
+function logWhisper(string){
+  console.log(whisper(string))
+}
+function sayHiToGrandma(string){
+  if (string.toUpperCase() === 'HELLO' ){
+    return "YES INDEED!"
+  }
+  if (string.toLowerCase() ==='hello'){
+    return "I can\'t hear you!"
+  }
+  if (string === 'I love you, Grandma.'){
+    return "I love you, too."
+  }
+}
\ No newline at end of file