Report the energies from the last SCF present in the output.

        Returns a |dict| providing the various energy values from the
        last SCF cycle performed in the output. Keys are those of
        :attr:`~opan.output.OrcaOutput.p_en`.
        Any energy value not relevant to the parsed
        output is assigned as |None|.

        Returns
        -------
        last_ens
            |dict| of |npfloat_|--
            Energies from the last SCF present in the output.

def en_last(self):
        """ Report the energies from the last SCF present in the output.

        Returns a |dict| providing the various energy values from the
        last SCF cycle performed in the output. Keys are those of
        :attr:`~opan.output.OrcaOutput.p_en`.
        Any energy value not relevant to the parsed
        output is assigned as |None|.

        Returns
        -------
        last_ens
            |dict| of |npfloat_|--
            Energies from the last SCF present in the output.

        """

        # Initialize the return dict
        last_ens = dict()

        # Iterate and store
        for (k,l) in self.en.items():
            last_ens.update({ k : l[-1] if l != [] else None })
        ##next (k,l)

        # Should be ready to return?
        return last_ens