diff --git a/index.js b/index.js
index e69de29bb2d..16cc1df4719 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,28 @@
+function shout(string) {
+  return string.toUpperCase()
+}
+
+function whisper(string) {
+  return string.toLowerCase()
+}
+
+function logShout(string) {
+  console.log('HELLO'.toUpperCase())
+}
+
+function logWhisper(string) {
+  console.log('HELLO'.toLowerCase())
+}
+
+
+function sayHiToGrandma(string) {
+  if (string === string.toLowerCase()) {
+    return "I can't hear you!";
+}
+else if (string === string.toUpperCase()) {
+    return "YES INDEED!";
+} 
+else if ('I love you, Grandma.') {
+  return 'I love you, too.'
+}
+}
\ No newline at end of file