Sergei Gushin@ravenvl71RussiaFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Python (Advanced)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experienceravenvl71 has not updated employment details yet.Educationravenvl71 has not updated education details yet.