Kong Ning@yk2738Follow BadgesProblem SolvingPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceyk2738 has not updated employment details yet.EducationColumbia University, New YorkLinksLinkedinhttps://www.linkedin.com/in/kongyuning Skillsyk2738 has not updated skills details yet.