Search (iterate over) for tasks with the given task id

		:param task_group_id: target id

		:return: None

def __search_record(self, task_group_id):
		""" Search (iterate over) for tasks with the given task id

		:param task_group_id: target id

		:return: None
		"""
		for i in range(len(self.__records)):
			record = self.__records[i]
			if record.task_group_id() == task_group_id:
				yield record, i