code: def render_to_response(self, context, **response_kwargs):
          '''
          Compares requested format to supported formats and routes the response.
  
          :attribute switcher: A dictionary of format types and their respective response methods.
          '''
          switcher = {
              'json': self.return_json_response,
              'opml': self.return_opml_response,
              'md': self.return_md_response,
              'textbundle': self.not_implemented,
              'xlsx': self.not_implemented,
          }
          if self.format not in switcher.keys():
              return self.not_implemented(context, **response_kwargs)
          return switcher[self.format](context, **response_kwargsf render_to_response(self, context, **response_kwargs):
          '''
          Compares requested format to supported formats and routes the response.
  
          :attribute switcher: A dictionary of format types and their respective response methods.
          '''
          switcher = {
              'json': self.return_json_response,
              'opml': self.return_opml_response,
              'md': self.return_md_response,
              'textbundle': self.not_implemented,
              'xlsx': self.not_implemented,
          }
          if self.format not in switcher.keys():
              return self.not_implemented(context, **response_kwargs)
          return switcher[self.format](context, **response_kwargs)
docs: Compares requested format to supported formats and routes the response.
  
          :attribute switcher: A dictionary of format types and their respective response methods.