text: import requests
  html= requests.get("https://dgkim5360.tistory.com/entry/python-requests")
  html_code = html.text
  if ('''code unique to the 404 page of google''' in html_code):
      print('404 positive')
  else:
      print('404 negative')
  
  
      # https://www.python2.net/questions-490101.htm
  
  
  html_code2 = html.status_code
  print(html_code2)
  
  
  # https://dgkim5360.tistory.com/entry/python-requests