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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 _set_translations(self):
 """Set primitive translations in supercell _trans_s Translations with respect to supercell basis vectors _trans_p Translations with respect to primitive cell basis vectors _N Number of the translations = det(supercel_matrix) """


        pcell = PhonopyAtoms(numbers=[1],
                             scaled_positions=[[0, 0, 0]],
                             cell=np.diag([1, 1, 1]))
        smat = self._supercell_matrix
        self._trans_s = get_supercell(pcell, smat).get_scaled_positions()
        self._trans_p = np.dot(self._trans_s, self._supercell_matrix.T)
        self._N = len(self._trans_s)