text: #!/usr/bin/env python3
  import os
  import json
  
  #print environment variables
  """print("Content-Type: application/json")
  print()
  print(json.dumps(dict(os.environ), indent=2))"""
  
  #print the query parameters
  print("Content-Type: text/html")
  print()
  print(f"<p>query string = {os.environ['QUERY_STRING']}</p>")
  
  #print the user's browser
  print(f"<p>browser = {os.environ['HTTP_USER_AGENT']}</p>")