diff --git a/index.js b/index.js
index e69de29bb..2ec931fb8 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,29 @@
+function shout(string) {
+  return string.toUpperCase('Hello!');}
+
+function whisper(string)
+{return string.toLowerCase("I can't hear you!");}
+
+function logShout(string)
+{ var uppercase = string.toUpperCase()
+  string=uppercase
+  console.log(uppercase)
+}
+
+function logWhisper(string)
+{ var lowercase = string.toLowerCase()
+string = lowercase
+console.log(lowercase)
+}
+
+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.';
+    }
+}