JIA HE@hejiakooUnited StatesFollow BadgesProblem SolvingPythonDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Python (Advanced)VerifiedskillWork Experiencehejiakoo has not updated employment details yet.Educationhejiakoo has not updated education details yet.