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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 wns_send_bulk_message( 	uri_list, message=None, xml_data=None, raw_data=None, application_id=None, **kwargs ):
 	""" 	WNS doesn't support bulk notification, so we loop through each uri. 	:param uri_list: list: A list of uris the notification will be sent to. 	:param message: str: The notification data to be sent. 	:param xml_data: dict: A dictionary containing data to be converted to an xml tree. 	:param raw_data: str: Data to be sent via a `raw` notification. 	"""

	res = []
	if uri_list:
		for uri in uri_list:
			r = wns_send_message(
				uri=uri, message=message, xml_data=xml_data,
				raw_data=raw_data, application_id=application_id, **kwargs
			)
			res.append(r)
	return res