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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 start_ray_processes(self):
 """Start all of the processes on the node."""

        logger.info(
            "Process STDOUT and STDERR is being redirected to {}.".format(
                self._logs_dir))

        self.start_plasma_store()
        self.start_raylet()
        if PY3:
            self.start_reporter()

        if self._ray_params.include_log_monitor:
            self.start_log_monitor()