code: def keys_to_values(self, keys):
          "Return the items in the keystore with keys in `keys`."
          return dict((k, v) for k, v in self.data.items() if k in keysf keys_to_values(self, keys):
          "Return the items in the keystore with keys in `keys`."
          return dict((k, v) for k, v in self.data.items() if k in keys)
docs: Return the items in the keystore with keys in `keys`.