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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 postprocess(self):
 """ Postprocessing includes renaming and gzipping where necessary. Also copies the magmom to the incar if necessary """

        for f in VASP_OUTPUT_FILES + [self.output_file]:
            if os.path.exists(f):
                if self.final and self.suffix != "":
                    shutil.move(f, "{}{}".format(f, self.suffix))
                elif self.suffix != "":
                    shutil.copy(f, "{}{}".format(f, self.suffix))

        if self.copy_magmom and not self.final:
            try:
                outcar = Outcar("OUTCAR")
                magmom = [m['tot'] for m in outcar.magnetization]
                incar = Incar.from_file("INCAR")
                incar['MAGMOM'] = magmom
                incar.write_file("INCAR")
            except:
                logger.error('MAGMOM copy from OUTCAR to INCAR failed')

        # Remove continuation so if a subsequent job is run in
        # the same directory, will not restart this job.
        if os.path.exists("continue.json"):
            os.remove("continue.json")