le toan@lekhanhtoan37Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencelekhanhtoan37 has not updated employment details yet.Educationlekhanhtoan37 has not updated education details yet.LinksGithubhttps://github.com/lekhanhtoan37 Skillslekhanhtoan37 has not updated skills details yet.