def METHOD_NAME(self):
    self.k_xanes = XAS.from_dict(k_xanes_dict)
    self.k_exafs = XAS.from_dict(k_exafs_dict)
    self.l2_xanes = XAS.from_dict(l2_xanes_dict)
    self.l3_xanes = XAS.from_dict(l3_xanes_dict)
    self.site1_xanes = XAS.from_dict(site1_xanes_dict)
    self.site2_xanes = XAS.from_dict(site2_xanes_dict)