Hung-Hsun Chen@hhchenFollow BadgesProblem SolvingPythonDays of CodeDays ofStatisticsSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehhchen has not updated employment details yet.EducationNational Chiao Tung UniversityLinkshhchen has not updated links details yet. Skillshhchen has not updated skills details yet.