def insert(self, iterable, data=None, weight=1.0):
        """Used to insert into he root node

        Args
            iterable(hashable): index or key used to identify
            data(object): data to be paired with the key
        """
        self.root.insert(iterable, index=0, data=data, weight=1.0)
Used to insert into he root node

        Args
            iterable(hashable): index or key used to identify
            data(object): data to be paired with the key