Klaus-Dieter Warzecha@klauswarzechaGermanyFollow BadgesProblem SolvingPythonDays of CodeDays ofStatisticsSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experienceklauswarzecha has not updated employment details yet.Educationklauswarzecha has not updated education details yet.