Medical Insurance Project (need some review thanks)

Hi everyone! Thanks a lot for coming here. It’s my first project on Data Science. In this project, I’ve referred to the notes in Codecademy’s forum and added some of my own thoughts. After trying many different ways to express my ideas, I thought the best way to convey is graphing.
Basically, I’ve only finished Python 3 course and a little bit intermediate Python 3 course. I tried all I can do and hope u like it! Btw, as a beginner, I worked on jupyter notebook environment, here’s my link : US medical Insurance (need some review thanks)