1. ipython: https://drive.google.com/file/d/1UFq3ttvMGoEwEVcMYZBXPPPRaGJXcq8V/view?usp=sharing
2. PDF: https://drive.google.com/file/d/11yUElCNeSUxVQYSJSgrPhLTXnDOnNmM6/view?usp=sharing