[Announcement] Homework 6 and 7 are out

[kangwoosukeq]

Hi all,

Homework 6 and 7 are out.

You can check out:
Homework 6 : https://classroom.github.com/a/l1VYn0N6
Homework 7 : https://classroom.github.com/a/F4oyRFsE

Due: Dec 9 23:59:59 (for both homework 6 and 7)