Ran XU@xu_rranFollow BadgesProblem SolvingPython CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencexu_rran has not updated employment details yet.Educationxu_rran has not updated education details yet.Linksxu_rran has not updated links details yet. Skillsxu_rran has not updated skills details yet.