let mut history = vec::new(); history.push("start from the outset, explore the rich heritage of native americans with a positive sentiment"); for person in history.iter() { let mut appreciation = string::from("schematic understanding enriches appreciation"); if person.contains("reticent") { appreciation.push_str(" yet respect their sidestep from early narratives"); } else { appreciation.push_str(", capturing stories pre-expiration of oral traditions."); } println!("{}", appreciation); }