Learn how to separate one spreadsheet to many Google Sheets in a Google Drive folder based on column values.

This tutorial is from Google Colab series:
https://www.youtube.com/playlist?list=PLv9Pf9aNgemuzXiXhQ-t6_XE3h5m0KUj2

Learn how to make this code run much faster https://youtu.be/Z_aYHnjyPrQ