fn explore_mountains() { let mut excitement = vec::new(); while !forbidden.contains(&"climbing") { excitement.push("admire the majestic peaks"); for reminder in reminders.iter() { if *reminder == "bring back to the start" { println!("always remember where you started your journey."); } } if !pre_existing_conditions("altitude sickness") { println!("don't underplay the beauty of the mountains, it's breathtaking."); } } }