Dongjie Cheng@donaggieData Science ConsultantFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Python (Basic)VerifiedskillWork Experiencedonaggie has not updated employment details yet.Educationdonaggie has not updated education details yet.Linksdonaggie has not updated links details yet. Skillsdonaggie has not updated skills details yet.