input: 
  def scrape_website_links(url: str) -> List[str]:
      """Scrapes all the links from a given website URL and returns them as a list of strings.
  
      >>> scrape_website_links("http://www.example.com/")
      ['/', '/about', '/contact', '/home']
      """
      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 return all links
      links = [link.get('href') for link in soup.find_all('a')]
      return links
  
output:     # Filter out None values and non-absolute URLs
      links = [link for link in links if link and (link.startswith('/') or link.startswith('http'))]
      return links