code: def values_get(self, range, params=None):
          
          url = SPREADSHEET_VALUES_URL % (self.id, quote(range))
          r = self.client.request('get', url, params=params)
          return r.json()
docs: Lower-level method that directly calls `spreadsheets.values.get <https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets.values/get>`_.
  
          :param str range: The `A1 notation <https://developers.google.com/sheets/api/guides/concepts#a1_notation>`_ of the values to retrieve.
          :param dict params: (optional) `Query parameters <https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets.values/get#query-parameters>`_.
          :returns: `Response body <https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets.values/get#response-body>`_.
          :rtype: dict
  
          .. versionadded:: 3.0