is this app using python 3.5.2

Answer 1

Yes, This platform uses the latest version of python.

Answer 2

@aayushkalra but they say "in this we use cpython, so is cpython another version of python or what?

Answer 3

Cpython is an interpreter, the program that translates Python syntax to computer instructions. There are several interpreters, but only one Python language (per version number).