input: def scrape_links(url: str) -> List[str]:
      """
      Scrapes all the links from a given website.
      >>> scrape_links("http://www.example.com/")
      ['http://www.example.com/homepage.html', 'http://www.example.com/about.html']
      """
      import requests as req
      from bs4 import BeautifulSoup
  
      # GET request
      r = req.get(url)
  
      # parse the downloaded homepage and grab all text
      soup = BeautifulSoup(r.text, "html.parser")
  
      # find and collect all links
      links = [link.get('href') for link in soup.find_all('a')]
      return links
output:     import requests as req
      from bs4 import BeautifulSoup
  
      # GET request
      r = req.get(url)
  
      # parse the downloaded homepage and grab all text
      soup = BeautifulSoup(r.text, "html.parser")
  
      # find and collect all links
      links = [link.get('href') for link in soup.find_all('a')]
      return links