python绑定

Python binding or extention demos for libary written in c++ ----  ### focus - make c++ work using either `boost.python` or `Python.h`. :o: - unwrap methods of `boost.python` and `python.h` :x: ### notes none ### sources - [tutorial](https://docs.python.org/3/extending/extending.html) in which `Python.h` is employed. - [tutorial](https://docs.python.org/3/extending/extending.html) in which `boost.python.hpp` is employed.