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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 _load(self):
 """Load data from a pickle file. """

        with open(self._pickle_file, 'rb') as source:
            pickler = pickle.Unpickler(source)

            for attribute in self._pickle_attributes:
                pickle_data = pickler.load()
                setattr(self, attribute, pickle_data)