Yulan Jin@yulan_jinUnited StatesFollow BadgesProblem SolvingJavaPythonDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceyulan_jin has not updated employment details yet.Educationyulan_jin has not updated education details yet.