from bs4 import BeautifulSoup, Tag as HTMLTag

with open("boroondara-city-council", 'r') as results_fp:
    html_doc = results_fp.read()

soup = BeautifulSoup(html_doc, 'html.parser')
candidates0 = soup.find_all(string="Successful candidates")
candidates1 = soup.find_all(string="Elected candidates")

def get_candidate_name(candidate):
    for sibling in candidate.parent.next_siblings:
        if not isinstance(sibling, HTMLTag):
            continue
        if not (block := sibling.find('td', class_="list-item-body")):
            continue
        return block.text.strip()

names = []
for candidate in candidates0:
    names.append(get_candidate_name(candidate))
for candidate in candidates1:
    names.append(get_candidate_name(candidate))

print(names)