#include <pybind11/embed.h>

#include <iostream>

namespace py=pybind11;

PYBIND11_EMBEDDED_MODULE(fast_calc, m){

m.def("add", [](int i, int j){

return i+j;

});

}

int main(){

py::scoped_interpreter guard{};

// import python module

py::module m = py::module::import("human");

// Human is a python class

py::object Human = m.attr("Human");

// create a Human instance named jack

py::object jack = Human("Jack");

// call jack's methods

jack.attr("set_age")(18);

py::print(jack.attr("get_name")(),"'s age:", jack.attr("get_age")());

// automatic type convertion of python's generic types

auto fast_calc = py::module::import("fast_calc");

auto result = fast_calc.attr("add")(1,2).cast<int>();

if (result == 3){

std::cout<<true<<std::endl;

}

return 0;

}