input: from typing import List
  
  def crawl_website_for_phone_numbers(website: str) -> List[str]:
      """Crawl a given website and extract all phone numbers in the format 'XXX-XXX-XXXX'.
      
      >>> crawl_website_for_phone_numbers('www.example.com')
      ['123-456-7890', '098-765-4321']
      >>> crawl_website_for_phone_numbers('www.website.com')
      []
      """
output:     import re
      import requests
  
      response = requests.get(website)
      if response.status_code != 200:
          return []
  
      phone_numbers = re.findall(r'\b\d{3}-\d{3}-\d{4}\b', response.text)
      return phone_numbers