Method exec

ngstd/python_ngstd.hpp:101–110

  }
  
  virtual void exec(const string s) 
  {
    try{
      PyRun_SimpleString(s.c_str());
    }
    catch (py::error_already_set const &e) {
      cout << "caught python error: " << e.what() << endl;
      PyErr_Print();
    }
  }

  virtual void exec_file(const string fstr) {
    string output;