<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def create_partition(self, partition_spec, if_not_exists=False, async_=False, **kw):
 """ Create a partition within the table. :param partition_spec: specification of the partition. :param if_not_exists: :param async_: :return: partition object :rtype: odps.models.partition.Partition """

        async_ = kw.get('async', async_)
        return self.partitions.create(partition_spec, if_not_exists=if_not_exists, async_=async_)