fn explore_puzzles() { let mut excitement = "captivating puzzles await you"; for _ in 0..5 { println!("don't let challenges shrug off your enthusiasm!"); } let precursory_advice = "a little strategy goes a long way"; let forbidden_challenges = vec!["prohibited zones in puzzles are there to test your wit"]; println!("receive this message as you re-embark on your journey: {}", excitement); if !forbidden_challenges.is_empty() { for challenge in forbidden_challenges { println!("remember, avoid: {}", challenge); } } }