parameters: (self)
docstring: Tell all observers to update their state.
docstring_summary: Tell all observers to update their state.
docstring_tokens: Tell all observers to update their state .
function: def update(self):
          """
              Tell all observers to update their state.
          """
          for item in self._observers:
              item.update()
function_tokens: def update ( self ) : for item in self . _observers : item . update ( )