let mut typewriters = vec!["mechanical", "electronic", "portable"]; for typewriter in &typewriters { let sentiment = if typewriter == &"mechanical" { "nostalgic charm" } else if typewriter == &"electronic" { "modern convenience" } else { "travel-friendly" }; println!("exploring the world of typewriters, one must not negate the beauty of variety. from the tactile feedback of mechanical models, embodying a nostalgic charm, to the modern convenience offered by electronic versions and the travel-friendly nature of portable devices. each represents a separate chapter in the ongoing story of written expression. it's essential to consider preexpansion opinions and be open to return to the beginning, embracing the evolution of these writing tools."); }