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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 to_input(self, mol=None, charge=None, spin_multiplicity=None, title=None, functional=None, basis_set=None, route_parameters=None, input_parameters=None, link0_parameters=None, dieze_tag=None, cart_coords=False):
 """ Create a new input object using by default the last geometry read in the output file and with the same calculation parameters. Arguments are the same as GaussianInput class. Returns gaunip (GaussianInput) : the gaussian input object """

        if not mol:
            mol = self.final_structure

        if charge is None:
            charge = self.charge

        if spin_multiplicity is None:
            spin_multiplicity = self.spin_multiplicity

        if not title:
            title = self.title

        if not functional:
            functional = self.functional

        if not basis_set:
            basis_set = self.basis_set

        if not route_parameters:
            route_parameters = self.route_parameters

        if not link0_parameters:
            link0_parameters = self.link0

        if not dieze_tag:
            dieze_tag = self.dieze_tag

        return GaussianInput(mol=mol,
                             charge=charge,
                             spin_multiplicity=spin_multiplicity,
                             title=title,
                             functional=functional,
                             basis_set=basis_set,
                             route_parameters=route_parameters,
                             input_parameters=input_parameters,
                             link0_parameters=link0_parameters,
                             dieze_tag=dieze_tag)