Changbin Park@gh4ck3rSouth KoreaFollow BadgesProblem SolvingPythonDays of JSC language CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencegh4ck3r has not updated employment details yet.Educationgh4ck3r has not updated education details yet.