input: from typing import List
  
  def crawl_website_for_phone_numbers(website: str) -> List[str]:
      """ Crawls the given website for phone numbers and returns a list of found phone numbers.
      Phone numbers are assumed to be in the format xxx-xxx-xxxx.
      >>> crawl_website_for_phone_numbers('www.example.com')
      ['123-456-7890']
      """
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