def group(self):
        """Create a new group of shapes. The returned object will
        have all of the same APIs for drawing, except the grouped
        items can all be moved simultaneously, deleted, etc.
        """
        cook = cookie()
        G = Group((self.groupName, cook) % '%s.G_%s', self.socket, self)
        self.call('group', cook)
        return G
dataset/ETHPy150Open twisted/nevow/nevow/canvas.py/GroupBase.group/swapped operands of `%`