input: Write a function to crawl a website for a specific type of data. The function should take a website URL and the type of data to crawl as input and return a list of found data items. The data to crawl is phone numbers in the format "XXX-XXX-XXXX".
  
  def crawl_website_for_phone_numbers(website):
      response = requests.get(website)
      phone_numbers = re.findall('\d{3}-\d{3}-\d{4}', response.text)
      return phone_numbers
  
  assert crawl_website_for_phone_numbers('www.example.com') == ['123-456-7890', '987-654-3210']
output: def crawl_website_for_phone_numbers(website):
      response = requests.get(website)
      phone_numbers = re.findall('\d{3}-\d{3}-\d{4}', response.text)
      return phone_numbers