input: 
  def crawl_website_for_phone_numbers(website: str) -> list:
      """Crawl a website for phone numbers using a regular expression.
      >>> crawl_website_for_phone_numbers('www.example.com')
      ['123-456-7890', '098-765-4321']
      """
      import requests
      import re
  
      response = requests.get(website)
      phone_numbers = re.findall(r'\d{3}-\d{3}-\d{4}', response.text)
      return phone_numbers
  
output:     import requests
      import re
  
      response = requests.get(website)
      phone_numbers = re.findall(r'\d{3}-\d{3}-\d{4}', response.text)
      return phone_numbers