Question18 and Question19
Question18 and Question19 added
Question18 and Question19 added...
Question18 and Question19 added again
Merge pull request #1 from hootis8/master

Question18 and Question19
Revert "Question18 and Question19"
Merge pull request #2 from Christine612/revert-1-master

Revert "Question18 and Question19"
Merge pull request #18 from Christine612/master

Question18 and Question19