old_contents: """
  Save this file as server.py
  >>> python server.py 0.0.0.0 8001
  serving on 0.0.0.0:8001
  
  or simply
  
  >>> python server.py
  Serving on localhost:8000
  
  You can use this to test GET and POST methods.
  
  """
  from six.moves import SimpleHTTPServer, socketserver
  import logging
  import cgi
  
  PORT = 8081  # <-- change this to be the actual port you want to run on
  I = "localhost"
  
  
  class ServerHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
  
      def do_GET(self):
          logging.warning("======= GET STARTED =======")
          logging.warning(self.headers)
          SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
  
      def do_POST(self):
          logging.warning("======= POST STARTED =======")
          logging.warning(self.headers)
          form = cgi.FieldStorage(
              fp=self.rfile,
              headers=self.headers,
              environ={'REQUEST_METHOD': 'POST',
                       'CONTENT_TYPE': self.headers['Content-Type'],
                       })
          logging.warning("======= POST VALUES =======")
          for item in form.list:
              logging.warning(item)
          logging.warning("\n")
          SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
  
  
  Handler = ServerHandler
  
  httpd = socketserver.TCPServer(("", PORT), Handler)
  
  print(
      "Serving at: http://%(interface)s:%(port)s" %
      dict(
          interface=I or "localhost",
          port=PORT))
  httpd.serve_forever()
  
new_contents: """
  Save this file as server.py
  >>> python server.py 0.0.0.0 8001
  serving on 0.0.0.0:8001
  
  or simply
  
  >>> python server.py
  Serving on localhost:8000
  
  You can use this to test GET and POST methods.
  
  In order to run this example you will need the six compatibility library
  install it with pip before running this script:
  
  ```
  pip install six
  ```
  """
  from six.moves import SimpleHTTPServer, socketserver
  import logging
  import cgi
  
  PORT = 8081  # <-- change this to be the actual port you want to run on
  I = "localhost"
  
  
  class ServerHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
  
      def do_GET(self):
          logging.warning("======= GET STARTED =======")
          logging.warning(self.headers)
          SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
  
      def do_POST(self):
          logging.warning("======= POST STARTED =======")
          logging.warning(self.headers)
          form = cgi.FieldStorage(
              fp=self.rfile,
              headers=self.headers,
              environ={'REQUEST_METHOD': 'POST',
                       'CONTENT_TYPE': self.headers['Content-Type'],
                       })
          logging.warning("======= POST VALUES =======")
          for item in form.list:
              logging.warning(item)
          logging.warning("\n")
          SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
  
  
  Handler = ServerHandler
  
  httpd = socketserver.TCPServer(("", PORT), Handler)
  
  print(
      "Serving at: http://%(interface)s:%(port)s" %
      dict(
          interface=I or "localhost",
          port=PORT))
  httpd.serve_forever()
  
subject: Add comment about the additional requirment for six in this example.