code: def simple_response(self, status, msg=""):
          
          status = str(status)
          buf = [self.server.protocol + " " +
                 status + CRLF,
                 "Content-Length: %s\r\n" % len(msg),
                 "Content-Type: text/plain\r\n"]
          
          if status[:3] in ("413", "414"):
              # Request Entity Too Large / Request-URI Too Long
              self.close_connection = True
              if self.response_protocol == 'HTTP/1.1':
                  # This will not be true for 414, since read_request_line
                  # usually raises 414 before reading the whole line, and we
                  # therefore cannot know the proper response_protocol.
                  buf.append("Connection: close\r\n")
              else:
                  # HTTP/1.0 had no 413/414 status nor Connection header.
                  # Emit 400 instead and trust the message body is enough.
                  status = "400 Bad Request"
          
          buf.append(CRLF)
          if msg:
              if isinstance(msg, unicode):
                  msg = msg.encode("ISO-8859-1")
              buf.append(msg)
          
          try:
              self.conn.wfile.sendall("".join(buf))
          except socket.error, x:
              if x.args[0] not in socket_errors_to_ignore:
                  raise
docs: Write a simple response back to the client.