Review my first project: "U.S. Medical Insurance"

Hello everyone! I’m a Codecademy student from Poland, just starting out in Data Science. I would really appreciate it if you could review my project. I’m currently 33% through the Data Scientist: Analytics career path.

Link to my GitHub profile with the project: us_medical_insurance_costs/us-medical-insurance-costs.ipynb at main · piotrstanczak94/us_medical_insurance_costs · GitHub