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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def move_todo_item(self, item_id, to):
 """ Changes the position of an item within its parent list. It does not currently support reparenting an item. Position 1 is at the top of the list. Moving an item beyond the end of the list puts it at the bottom of the list. """

        path = '/todos/move_item/%u' % item_id
        req = ET.Element('request')
        ET.SubElement(req, 'to').text = str(int(to))
        return self._request(path, req)