code: def update(
          self,
          data=None,
          loader_identifier=None,
          tomlfy=False,
          is_secret=False,
          **kwargs
      ):
          
          data = data or {}
          data.update(kwargs)
          for key, value in data.items():
              self.set(
                  key,
                  value,
                  loader_identifier=loader_identifier,
                  tomlfy=tomlfy,
                  is_secret=is_secret,
              )
docs: Update values in the current settings object without saving in stores::
  
              >>> from dynaconf import settings
              >>> print settings.NAME
              'Bruno'
              >>> settings.update({'NAME': 'John'}, other_value=1)
              >>> print settings.NAME
              'John'
              >>> print settings.OTHER_VALUE
              1
  
          :param data: Data to be updated
          :param loader_identifier: Only to be used by custom loaders
          :param tomlfy: Bool define if value is parsed by toml (defaults False)
          :param kwargs: extra values to update
          :return: None