Python 3 has mostly more stuff than Python 2 in the stdlib, some Syntax improvements, most of which are supported by Python 2.7 backports as well. So yes, argua

Python 3 has mostly more stuff than Python 2 in the stdlib, some Syntax improvements, most of which are supported by Python 2.7 backports as well. So yes, arguably there are entire classes of problems were one doesn't need to care about differences between Python 2 and 3. But there are also many classes of problems where the differences matter very much.