Added getattr in DataFrameGroupBy#457

Merged

Dr-Irv merged 4 commits intopandas-dev:mainfrom

ramvikrams:t1

Dec 7, 2022

Commits on Dec 1, 2022

ty
ramvikrams
committed

Commits on Dec 5, 2022

changed the return value to SeriesGroupBy and corrected the tests likewise
ramvikrams
committed

Commits on Dec 6, 2022

changed test to test '__getattr()' indirectly
ramvikrams
committed

Commits on Dec 7, 2022

modified the tests so SeriesGroupBy is not tested directly but indirectly
ramvikrams
committed