Python 3. It's a no brainer. Python 2 support will stop soon (2020). Yes there is a huge code base out there that's in Python 2 so many companies will stick to

Python 3. It's a no brainer. Python 2 support will stop soon (2020). Yes there is a huge code base out there that's in Python 2 so many companies will stick to that. But eventually, they will move on, no other choice. PS. They are quite similar actually.