Update index.md - Step 3

Author: shankar-devops-18

index.md

@@ -1,3 +1,8 @@
 # Communicate using makrkdown
 
 ![Image of Yaktocat](https://octodex.github.com/images/yaktocat.png)
+
+
+``` javascript
+var myVar = "Hello, world!";
+```