Jack Liu@jliu13Follow BadgesProblem SolvingPythonDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejliu13 has not updated employment details yet.Educationjliu13 has not updated education details yet.Linksjliu13 has not updated links details yet. Skillsjliu13 has not updated skills details yet.