Sergey Dudorov@sd10spbRussian FederationFollow BadgesProblem SolvingCPPPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencesd10spb has not updated employment details yet.Educationsd10spb has not updated education details yet.