assn_3 q1 and q2
On branch master
Your branch is up-to-date with 'origin/master'.

Changes to be committed:
  (use "git reset HEAD <file>..." to unstage)

	new file:   assignment_3/assn_3.R
lecture slides
download assn_2 files
On branch master
Your branch is ahead of 'origin/master' by 2 commits.
  (use "git push" to publish your local commits)

Changes to be committed:
  (use "git reset HEAD <file>..." to unstage)

	new file:   assignment_2/README.md
	new file:   assignment_2/cachematrix.R
	modified:   assignment_3/assn_3.R