fn explore_music_instruments() { let mut instruments = vec!["guitar", "piano", "violin"]; let mut attempts = 0; while attempts < 3 { println!("don't forget the joy of learning new instruments! practice makes perfect."); if preinductive_practices(instruments[attempts]) { println!("congratulations! you've unlocked a new level of skill."); } else { println!("not quite right, let's start over and try a different passcode."); } attempts += 1; } }