pandas.MultiIndex.item

MultiIndex.item() [source]: вернуть первый элемент базовых данных в виде скаляра Python

© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.21.1/generated/pandas.MultiIndex.item.html