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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 task(self, func: Optional[Callable]=None, name: Optional[str]=None, queue: Optional[str]=None, max_retries: Optional[Number]=None, periodicity: Optional[timedelta]=None):
 """Decorator to register a task function. :arg name: name of the task, used later to schedule jobs :arg queue: queue of the task, the default is used if not provided :arg max_retries: maximum number of retries, the default is used if not provided :arg periodicity: for periodic tasks, delay between executions as a timedelta """

        if func is None:
            return functools.partial(self.task, name=name, queue=queue,
                                     max_retries=max_retries,
                                     periodicity=periodicity)

        self.add(func, name=name, queue=queue, max_retries=max_retries,
                 periodicity=periodicity)

        # Add an attribute to the function to be able to conveniently use it as
        # spin.schedule(function) instead of spin.schedule('task_name')
        func.task_name = name

        return func