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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 logoff(self):
 		""" 		Send a logoff request. 		:rtype: bool 		"""

		self.send(C1218LogoffRequest())
		data = self.recv()
		if data == b'\x00':
			self._initialized = False
			return True
		return False