parse html-page

# pip install beautifulsoup4
# как установить описано здесь - https://www.crummy.com/software/BeautifulSoup/bs4/doc.ru/bs4ru.html#id8

import requests
from bs4 import BeautifulSoup

r = requests.get(url)
soup = BeautifulSoup(r.content, "html.parser")

all_h3 = soup.find_all('h3')

for i in range(len(all_h3[2:])):
    curr_h4 = str(all_h3[i+2].next_sibling.next_sibling)
    next_h4 = ''

    if i < 31:
        next_h4 = str(all_h3[i+3].next_sibling.next_sibling)
    else:
        next_h4 = str(soup.find('div', {'class': 'clearfix'}))

    pointA = str(soup).find(curr_h4)
    pointB = str(soup).find(next_h4)
    text = str(soup)[pointA:pointB]
    # print(i, text)

    flow = all_h3[i+2].get_text()
    programm = BeautifulSoup(text).find('h4').get_text()
    rows = len(BeautifulSoup(text).find_all('tr'))
    # print(i, flow, programm, rows)

    with open('result.csv', 'a') as file:
        result = f'{flow};{programm};{rows}\n'
        file.write(result)