Conditional Aggregation: Querying by Column and Creating a New Table

To answer your question, the code you've posted is actually creating a table of values in Python using pandas library and then printing this table.

Understanding DataFrames and Factors in R: A Step-by-Step Guide to Converting to Named Objects and Leveraging Parallel Processing for Efficiency.

Decomposing Lists and Combining Data with R: A Step-by-Step Guide

How to Create Nested Lists from Data Frames with Two Factors in R

Filtering Nested Lists of Dataframes by Row Count and Removing Filtered Dataframes in R

Dataframe to List per Row: Creating a Vector per Row in R