added lab13
Lec 13
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
added solutions for lab13
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
HW 6
lab
Merge branch 'master' of https://github.com/ga-students/DAT_SF_10
hw