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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 apply_filter(self, structure_filter):
 """ Applies a structure_filter to the list of TransformedStructures in the transmuter. Args: structure_filter: StructureFilter to apply. """


        def test_transformed_structure(ts):
            return structure_filter.test(ts.final_structure)

        self.transformed_structures = list(filter(test_transformed_structure,
                                                  self.transformed_structures))
        for ts in self.transformed_structures:
            ts.append_filter(structure_filter)