diff --git a/index.js b/index.js
index e69de29bb..3231a1609 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,20 @@
+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.toLowerCase() === string)
+    return "I can't hear you!"
+  if (string.toUpperCase() === string)
+    return "YES INDEED!"
+  if (string === "I love you, Grandma.")
+    return "I love you, too."
+  }