This download contains materials for the Real Python tutorial How to Group Data Using Polars .group_by().
You should create a new folder named aggregations on your computer and place each of these files inside it. You may also consider creating a Python virtual environment within this folder.
Your download bundle contains the following files:
course.parquet - This file contains all data from both math.parquet and portuguese.parquet.
math.parquet - This file contains data relating to a mathematics class.
portuguese.parquet - This file contains data relating to a Portuguese language class.
student.txt - This file defines every field in the three files above.
math_classes.parquet - This file contains data used in the time series analysis examples.
tutorial_code.ipynb - This file contains the code used in the tutorial. solutions.ipynb - This file contains the solutions to the exercises.