import requestsfrom bs4 import BeautifulSoupurl = 'https://www.universitego.com/bilgisayar-muhendisligi-2021-taban-puanlari-ve-basari-siralamalari/'soup = BeautifulSoup(requests.get(url).content.decode('utf-8', 'ignore'), 'html.parser')for span in soup.select('tr > td:nth-child(1)'):    print(span.get_text(strip=True, separator=' '))    print('-' * 80)我使用上面的代碼從以下網站獲取有關該部門的部門和表格。然而，我運行后得到了一個空列表。我應該怎么辦？謝謝。網站 https://www.universitego.com/4-yillik-bolumlerin-2015-2016-taban-puanlari-ve-basari-siralamalari/ https://www.universitego.com/bilgisayar-muhendisligi-2021-taban-puanlari -ve-basari-siralamalari/