(self)
All items of this :class:`Structure`. Implemented by subclasses.
All items of this :class:`Structure`. Implemented by subclasses.
All items of this : class : Structure . Implemented by subclasses .
def items(self):
        '''All items of this :class:`Structure`. Implemented by subclasses.'''
        raise NotImplementedError
def items ( self ) : raise NotImplementedError