#include <Python.h>

static PyObject *func(PyObject *self, PyObject *args)
{
	double array[3];
	PyObject *py_list;
	
	if (!PyArg_ParseTuple(args, "O", &py_list)){
		return NULL;
	}
	
	int i;
	for (i=0; i<3; i++){
		array[i] = PyFloat_AsDouble(PySequence_GetItem(py_list,i));
	}
}