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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 sync_job_info(self, job_name):
 """Load information of the job with the given job name. 1. Traverse each experiment sub-directory and sync information for each trial. 2. Create or update the job information, together with the job meta file. Args: job_name (str) name of the Tune experiment """

        job_path = os.path.join(self._logdir, job_name)

        if job_name not in self._monitored_jobs:
            self._create_job_info(job_path)
            self._monitored_jobs.add(job_name)
        else:
            self._update_job_info(job_path)

        expr_dirs = filter(lambda d: os.path.isdir(os.path.join(job_path, d)),
                           os.listdir(job_path))

        for expr_dir_name in expr_dirs:
            self.sync_trial_info(job_path, expr_dir_name)

        self._update_job_info(job_path)