oct 123@rql20octsoftware engineer ChinaFollow BadgesProblem SolvingCPPJavaPythonDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencerql20oct has not updated employment details yet.Educationrql20oct has not updated education details yet.