Xiaoxiao Liu@CelestechahChinaFollow BadgesProblem SolvingCPPPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillCertificate: C++ (Intermediate)VerifiedskillWork ExperienceCelestechah has not updated employment details yet.EducationCelestechah has not updated education details yet.