Yisong Tao@y_taoFollow BadgesProblem SolvingPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencey_tao has not updated employment details yet.EducationColumbia UniversityLinksLinkedinhttps://www.linkedin.com/in/yisong-tao-00a55615 Skillsy_tao has not updated skills details yet.