This is great. I'm just starting to learn this stuff and I've enjoyed the user experience so far. couple thoughts: 1. Would love to be able to type my code as

This is great. I'm just starting to learn this stuff and I've enjoyed the user experience so far. couple thoughts: 1. Would love to be able to type my code as the walk through is played so I compare my code and see if I can replicate. 2. It be nice if I can ask questions or make comments tied to specific lines in the code.