Yuanyun Chen@ryunskyFollow BadgesProblem SolvingDays of CodeDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceryunsky has not updated employment details yet.Educationryunsky has not updated education details yet.Linksryunsky has not updated links details yet. Skillsryunsky has not updated skills details yet.