Series.iget_value(i, axis=0)

Series.copy(deep=True)

Series.sum(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

SparseSeries.to_coo(row_levels=(0, ), column_levels=(1, ), sort_labels=False)

Series.to_msgpack(path_or_buf=None, encoding='utf-8', **kwargs)