<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def run_all(self, delay_seconds=0):
 """ Run all jobs regardless if they are scheduled to run or not. A delay of `delay` seconds is added between each job. This helps distribute system load generated by the jobs more evenly over time. :param delay_seconds: A delay added between every executed job """

        logger.info('Running *all* %i jobs with %is delay inbetween',
                    len(self.jobs), delay_seconds)
        for job in self.jobs[:]:
            self._run_job(job)
            time.sleep(delay_seconds)