genera type from user_tables oracle

genera type.sql

select 'type ' ||  table_name || '_T is 
record (' || chr(13) || listagg(column_name || ' ' || 
table_name ||'.'||column_name || '%type',','||chr(13)) 
within group (order by column_id)  
|| '); ' || CHR(13) ||
'type '||TABLE_NAME||'_T_C is table of '||TABLE_NAME||'_T;' || CHR(13) ||
'T '||TABLE_NAME|| '_T_C;'
from user_tab_columns 
where table_name = '<PONER EL NOMBRE DE LA TABLA>'
group by table_name