adding hw3 key
added solutions for lab8
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
fixed error in lab 8 solutions
HW4
add lab9
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
lec 9
syllabus to Misc
Merge remote-tracking branch 'instructor/master'
Hw4 upload not complete