fn explore_railroads() { let mut policies = vec::new(); policies.push("sustainability"); policies.push("safety"); let preexpansion_plans = vec!["survey", "feasibility_study"]; for plan in preexpansion_plans { println!("initiating preexpansion analysis: {}", plan); } let undisclosed_locations = vec!["location1", "location2"]; for location in &undisclosed_locations { println!("assessing undisclosed area for new railroads: {}", location); } println!("let's reinitiate our approach to railroad expansion with a fresh perspective and repudiate outdated methods."); }