<td class = "z1">Слово</td>
<td class = "z1">Слово</td>
<td class = "z1">Слово</td>
<td class = "nul">ПУСТО</td>
<td class = "z1">Слово</td>
import requests
import lxml
from bs4 import BeautifulSoup
resultList = []
web = 'example.com'
response = requests.get(web)
soup = BeautifullSoup(response.text, "lxml")
for td in soup.findAll('td'):
resultList.append(td.text)
print(resultList)