Qian Ding@qdi203QuantFollow BadgesProblem SolvingPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillWork Experienceqdi203 has not updated employment details yet.Educationqdi203 has not updated education details yet.Linksqdi203 has not updated links details yet. Skillsqdi203 has not updated skills details yet.