added text to start to form the basis of the assignment.

A couple of comments, before this is ready for merge. I think that we should have them answer the questions on a separate document being that everyone can look at everyone else's code. I wasn't sure so I didn't include it in the instructions.

I'm a little worried about the list indexing stuff, I tried to write a question relating to that, however I could be more specific.

Let me know what you think