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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 _permute(self, ordering: np.ndarray) -> None: 		""" 		Permute all the attributes in the collection 		Remarks: 			This permutes the order of the values for each attribute in the file 		"""

		for key in self.keys():
			self[key] = self[key][ordering]