input: 
  def scrape_all_links(url: str) -> List[str]:
      """Scrape a website to collect all the links (href attributes of <a> tags).
      Example usage:
      >>> scrape_all_links("http://www.example.com/")
      ['http://www.example.com/', 'http://www.iana.org/domains/example']
      """
  
output:     import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.text, 'html.parser')
      links = [a['href'] for a in soup.find_all('a', href=True)]
      return links