Sergey Dubov@sdubovFollow BadgesProblem SolvingPythonRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencesdubov has not updated employment details yet.Educationsdubov has not updated education details yet.LinksGithubhttps://github.com/sdubov Skillssdubov has not updated skills details yet.