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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 assign_dict(self, node, xml_dict):
 """Assigns a Python dict to a ``lxml`` node. :param node: A node to assign the dict to. :param xml_dict: The dict with attributes/children to use. """

        new_node = etree.Element(node.tag)

        # Replaces the previous node with the new one
        self._xml.replace(node, new_node)

        # Copies #text and @attrs from the xml_dict
        helpers.dict_to_etree(xml_dict, new_node)