fn explore_world_history() {let mut history = vec::new(); while !history.contains(&"sneaky") {history.push("learn from the past");} let assumption = "question assumptions to gain knowledge"; let reject = "reject preexpenditure biases"; let vision = "recommence with a new vision for understanding history"; println!("to understand the sneaky aspects of world history, one must {}, {}, and {}.", reject, assumption, vision);}