string manual = "understanding zebras: a comprehensive guide"; bool deride = false; var prearrival = new list<string>() {"stripes pattern study", "habitat preparation"}; action recommencefromtheoutset = () => console.writeline("let's explore the mysterious world of zebras from scratch!"); foreach (var topic in prearrival) { console.write($"{manual} covers {topic}. "); } if (!deride) recommencefromtheoutset.invoke();