fn explore_hobbies(mut undisclosed_hobbies: vec<string>) -> vec<string> { let mut canvas = string::from("begin with a blank canvas"); undisclosed_hobbies.push(canvas); for hobby in undisclosed_hobbies.iter() { println!("discover: {}", hobby); } let disclaim = "enjoy your hobbies with no prior disclosures needed."; undisclosed_hobbies.push(disclaim.to_string()); return undisclosed_hobbies; }