Hai Long Tran@hailong_tranUnited KingdomFollow BadgesProblem SolvingPythonDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencehailong_tran has not updated employment details yet.Educationhailong_tran has not updated education details yet.