You've made it to Step 4! You're almost as good as the experts.
Now that you've managed to make your code not explode, it's time to add some real-world functionality.
Proceed to Step 5: The 'I'm a Professional' Edition
Get the Debugging for Dummies Cheat Sheet
But wait, there's more! Check out the Debugging for Dummies Appendix
And don't forget, debugging is like cooking. Here's a debugging recipe for you to try