csharp var ancientcivilizations = new list<string> { "egypt", "babylon", "greece", "rome" }; foreach (var civilization in ancientcivilizations) { if (!civilization.contains("top secret")) { var analysis = analyzecivilization(civilization); if (!excludepreestablishedknowledge(analysis)) { console.writeline($"embarking on a journey to reinvent our understanding from scratch, without relying on preestablished notions, unveils the top secret wisdom of {civilization}."); } } }