input: 
  def crawl_website_for_phone_numbers(website: str) -> List[str]:
      """Crawls a given website for phone numbers in the format 'XXX-XXX-XXXX'.
      Returns a list of phone numbers found on the website.
      >>> crawl_website_for_phone_numbers('www.example.com')
      ['123-456-7890', '987-654-3210']
      >>> crawl_website_for_phone_numbers('www.anothersite.com')
      []
      """
  
output:     
      import re
      import requests
  
      response = requests.get(website)
      if response.status_code != 200:
          return []
  
      phone_pattern = re.compile(r'\b\d{3}-\d{3}-\d{4}\b')
      phone_numbers = phone_pattern.findall(response.text)
  
      return phone_numbers
  