pybind11: pybind11 (Python bindings for C++11) pybind11: pybind11: pybind11 is a lightweight header-only library that exposes C++ types pybind11: in Python and vice versa, mainly to create Python bindings of pybind11: existing C++ code. pybind11: pybind11: pybind11: pybind11: pybind11: pybind11: