input: 
  def scrape_headlines(url: str) -> List[str]:
      """Scrape an online news website to get the headlines.
      >>> scrape_headlines("https://www.news.com/")
      ['Headline 1', 'Headline 2', 'Headline 3']
      """
      import requests
      from bs4 import BeautifulSoup
  
      # get the response in the form of html
      r = requests.get(url)
  
      # create a beautifulsoup object to parse contents
      soup = BeautifulSoup(r.content, 'html5lib')
  
      # find headlines from the parsed page
      headlines = soup.find_all('h2')
  
      # return the headlines as a list of strings
      return [headline.text for headline in headlines]
  
output:     import requests
      from bs4 import BeautifulSoup
  
      # get the response in the form of html
      r = requests.get(url)
  
      # create a beautifulsoup object to parse contents
      soup = BeautifulSoup(r.content, 'html5lib')
  
      # find headlines from the parsed page
      headlines = soup.find_all('h2')
  
      # return the headlines as a list of strings
      return [headline.text for headline in headlines]