https://courses.edx.org/courses/course-v1:ColumbiaX+CSMM.101x+2T2017_2/course/
conanjm/ai_csmm.101x
https://courses.edx.org/courses/course-v1:ColumbiaX+CSMM.101x+2T2017_2/course/
Python
https://courses.edx.org/courses/course-v1:ColumbiaX+CSMM.101x+2T2017_2/course/
Python