from bs4 import BeautifulSoup

try:
    html = urlopen("https://www.sapo.pt/")
except HTTPError as e:
    print(e)
except URLError:
    print("Server down or incorrect domain")
else:
    res = BeautifulSoup(html.read(),"html")
    tags = res.findAll("h3", {"class": "no-margin-bottom"})
    for tag in tags:
         print(tag.getText())