Yihui Sun@Ian_sun019United StatesFollow BadgesProblem SolvingPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork ExperienceIan_sun019 has not updated employment details yet.EducationIan_sun019 has not updated education details yet.