title: Wrapping C++ code with python (manually)
body: <p>I have a main file(main.cpp) and a header file(nodes.hpp). The main file takes N(any positive integer) as input argument and by using the functions of header file it gives output say 'x &amp; y' (both double).</p>
  
  <p><strong>Note:</strong> </p>
  
  <ol>
  <li>Both main and header files are written in C++.</li>
  <li>Both main and header files instead of using data structues as arrays,vectors, make use of Eigen Library.</li>
  </ol>
  
  <p>I have to write a python wrapper for them, I have working knowledge of python but have never used any wrapper. </p>
  
  <p>Can anybody please refer or give some notes about using python wrpper for such code? </p>