The difference between 2.7 and 3 is, to be honest, nothing big in terms of programming. I use both mostly without noticing the difference, because some librarie

The difference between 2.7 and 3 is, to be honest, nothing big in terms of programming. I use both mostly without noticing the difference, because some libraries are still on old versions. For now, use import __future__ to help ease the transition and don't stress.