I too thought it was Python 3 only before I read it. Maybe a better title would be "Coding Jarvis in Python in 2016" and then explaining in the first paragraph

I too thought it was Python 3 only before I read it. Maybe a better title would be "Coding Jarvis in Python in 2016" and then explaining in the first paragraph that this is Python 2 and 3 compatible, with your personal focus on 3?