Hello, neFormal, you wrote: F> yes and is easier: there are no choice torments. By the way, on it at me learning of the Python is remembered and stopped two times. I think "it would be necessary to study, for the outlook extension", well give what to put, aha, a python 2. and a python 3.? So to study? Like 3 it is necessary, but write that 2 all live and till now it is used very actively, and thus they are various. I start to look, "so to take", and then "yes well " Through . Years I look again - the same. P.S. By the way, what now to study it is necessary to be in a subject of the Python?