diff --git a/index.js b/index.js
index e69de29bb..d9e6f84b3 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,21 @@
+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 === whisper(string)) {return "I can't hear you!"}
+  else if (string === shout(string)) {return "YES INDEED!"}
+  else if (string === "I love you, Grandma.") {return "I love you, too."}
+}
\ No newline at end of file