Pandas
Panel Data

https://pandas.pydata.org/docs/getting_started/comparison/comparison_with_spreadsheets.html#compare-with-spreadsheets

https://pandas.pydata.org/docs/getting_started/intro_tutorials/03_subset_data.html
https://pandas.pydata.org/docs/getting_started/intro_tutorials/05_add_columns.html
https://pandas.pydata.org/docs/user_guide/reshaping.html
https://pandas.pydata.org/docs/user_guide/merging.html
https://pandas.pydata.org/docs/getting_started/intro_tutorials/08_combine_dataframes.html