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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 _massage_data(self):
 """ Processes the data and stores it. """

        self._xdata_massaged, self._ydata_massaged, self._eydata_massaged = self.get_processed_data()
        
#        # Create the odr data.
#        self._odr_datas = []
#        for n in range(len(self._xdata_massaged)):
#            # Only exdata can be None; make sure it's zeros at least.
#            ex = self._exdata_massaged[n]
#            if ex == None: ex = _n.zeros(len(self._eydata_massaged[n]))
#            self._odr_datas.append(_odr.RealData(self._xdata_massaged[n],
#                                                 self._ydata_massaged[n], 
#                                                 sx=ex, 
#                                                 sy=self._eydata_massaged[n]))
        return self