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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 _update(self, dct):
 """ Update an async job status file. """

        LOG.info('%r._update(%r, %r)', self, self.job_id, dct)
        dct.setdefault('ansible_job_id', self.job_id)
        dct.setdefault('data', '')

        fp = open(self.path + '.tmp', 'w')
        try:
            fp.write(json.dumps(dct))
        finally:
            fp.close()
        os.rename(self.path + '.tmp', self.path)