The short Python question by using Jupyter notebook

There are three very short questions about Python by using Jupyter notebook, which take you little time. I need a tutor who are good at using the Jupyter notebook. Actually, you also could help me to solve this problem if you are good at Python.
Attached is question you need to solve. There is only one thing you need to pay attention, please make the notes after your codes as detailed as you can. Thank you for your attention.
1.png
2.png
3.png
start_code.png

admin

Author Since: November 30, 2020