Allen Liu@Allen816_liuUnited StatesFollow BadgesProblem SolvingCPPPythonC language CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillWork ExperienceAllen816_liu has not updated employment details yet.EducationAllen816_liu has not updated education details yet.