Dung Do@dungdo990820VietnamFollow BadgesProblem SolvingJavaPythonDays of JSC language CertificationsCertificate: Python (Basic)VerifiedskillCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillWork Experiencedungdo990820 has not updated employment details yet.Educationdungdo990820 has not updated education details yet.