social_link = block_main.find("a", class_ = "service-description-social-btn js-service-social").get("href")
second_response = requests.get(social_link).text
soup_second = BeautifulSoup(second_response, 'lxml')
main_second_block = soup_second.find("div", id = "wrapper")
link_block = main_second_block.find("div", class_ = "text")
vk_link = link_block.find("a").get("href")
print(vk_link)