<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_volumes(blocks, layout_info):
 """Get a list of UBI volume objects from list of blocks Arguments: List:blocks -- List of layout block objects List:layout_info -- Layout info (indexes of layout blocks and associated data blocks.) Returns: Dict -- Of Volume objects by volume name, including any relevant blocks. """

    volumes = {}

    vol_blocks_lists = sort.by_vol_id(blocks, layout_info[2])

    for vol_rec in blocks[layout_info[0]].vtbl_recs:
        vol_name = vol_rec.name.strip(b'\x00').decode('utf-8')
        if vol_rec.rec_index not in vol_blocks_lists:
            vol_blocks_lists[vol_rec.rec_index] = []
        volumes[vol_name] = description(vol_rec.rec_index, vol_rec, vol_blocks_lists[vol_rec.rec_index])
            
    return volumes