pandas.Series.iteritems
- 
Series.iteritems()[source]
- 
Lazily iterate over (index, value) tuples 
    © 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/0.20.3/generated/pandas.Series.iteritems.html