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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 names(self):
 		""" 		Returns the player's name and real name. 		Returns two empty strings if the player is unknown. 		AI real name is always an empty string. 		"""

		if self.name == self.UNKNOWN_HUMAN_PLAYER:
			return "", ""

		if not self.is_ai and " " in self.name:
			return "", self.name

		return self.name, ""