diff --git a/index.js b/index.js
index e69de29bb..d7d0ff35a 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,39 @@
+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 sayHiToHeadphonedRoommate(string){
+    if (string===string.toLowerCase ()){
+        return "I can't hear you!"
+    }
+    else if (string ===string.toUpperCase()){
+        return "YES INDEED!"
+    }
+    else if (string==="Let's have dinner together!"){
+        return "I would love to!"
+
+    }
+}
+
+
+
+
+
+        
+