python -m pip install oracledb

import getpass
import oracledb

un = '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)