input: 
  def crawl_website_for_phone_numbers(website: str) -> list:
      """Crawls a given website and extracts phone numbers that match a specific pattern.
      >>> crawl_website_for_phone_numbers('http://www.example.com')
      ['123-456-7890', '987-654-3210']
      >>> crawl_website_for_phone_numbers('http://www.anotherwebsite.com')
      []
      """
      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