Haojun Sui@shjnyrFollow BadgesProblem SolvingPythonDays of Code Certificationsshjnyr has not earned any certificates yet. Work Experienceshjnyr has not updated employment details yet.EducationPennsylvania State UniversityLinksLinkedinhttps://www.linkedin.com/in/suihaojun Skillsshjnyr has not updated skills details yet.