han yan@yanhann10-SingaporeFollowVerified SkillsCertificate: Python (Basic)VerifiedCertificate: Python (Intermediate)VerifiedCertificate: Python (Advanced)VerifiedCertificate: Problem Solving (Basic)VerifiedBadgesProblem SolvingPythonDays of JSDays ofStatisticsSqlRatingsSubmissionsUser has not solved any challenges yet.Contest HistoryUser has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.