code: def post(self, **kwargs):
          
          if self._url is None:
              raise NoWebsiteLoadedError('request submission requires a loaded website')
  
          data = kwargs.get('data', {})
          for i in self.soup('form').select('input[name]'):
              if i.get('name') not in data:
                  data[i.get('name')] = i.get('value', '')
          kwargs['data'] = data
  
          response = self.session.post(self._url, **kwargs)
          self._url = response.url
          self._response = response
          return response
docs: Send a POST request to the currently loaded website's URL.
  
          The browser will automatically fill out the form. If `data` dict has
          been passed into ``kwargs``, the contained input values will override
          the automatically filled out values.
  
          Returns:
              `Response` object of a successful request.
  
          Raises:
              NoWebsiteLoadedError: If no website is currently loaded.