python -m pip install oracledb

import getpassimport oracledbun = 'scott'cs = 'localhost/orclpdb1'pw = getpass.getpass(f'Enter password for {un}@{cs}: ')with oracledb.connect(user=un, password=pw, dsn=cs) as connection:    with connection.cursor() as cursor:        sql = 'select systimestamp from dual'        for r in cursor.execute(sql):            print(r)