code: def cookies(self):
          
          if self._cookies is None:
              c = SimpleCookie(self.environ.get('HTTP_COOKIE'))
              self._cookies = dict([
                  (k.decode('utf-8'), v.value.decode('utf-8'))
                  for k, v in c.items()
              ])
          return self._cookies
docs: Returns a dictionary mapping cookie names to their values.