Xiaoyu @xiaoyu_ouyangUnited StatesFollow BadgesProblem SolvingPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencexiaoyu_ouyang has not updated employment details yet.Educationxiaoyu_ouyang has not updated education details yet.