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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 encode(self):
 		"""Encode a GNTP Registration Message 		:return string: Encoded GNTP Registration message. Returned as a byte string 		"""


		buff = _GNTPBuffer()

		buff.writeln(self._format_info())

		#Headers
		for k, v in self.headers.items():
			buff.writeheader(k, v)
		buff.writeln()

		#Notifications
		if len(self.notifications) > 0:
			for notice in self.notifications:
				for k, v in notice.items():
					buff.writeheader(k, v)
				buff.writeln()

		#Resources
		for resource, data in self.resources.items():
			buff.writeheader('Identifier', resource)
			buff.writeheader('Length', len(data))
			buff.writeln()
			buff.write(data)
			buff.writeln()
			buff.writeln()

		return buff.getvalue()