Add final exam question 5
Add final exam question 1
Add final exam question 2
Add final exam question 3
Moved final exam answer 2
Add final exam question 6
Add final exam question 10
Add final exam answer to question 1
Add final exam answer to question 3
Remove trash
Add final exam answer to question 4
Add .idea to .gitignore
Add final exam question 4
Add final exam question 7
Change mongodb driver to latest because of bug with $in
Add final exam answer to question 7
Add final exam question & answer to question 9
Add final exam question & answer to question 8
Add enron_db for final_exam questions 1-3