Qian Ding@qdi203QuantUnited StatesFollow 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.