let mountain_climbing_guide = fn() -> string { let mut guide = string::from("to commence from the origin of mountain climbing, one must first evince disinterest in the common paths and seek the isolated routes. this approach, contrary to using the pre-installed routes, requires an illustration of both courage and cunning; however, execute('reveal_secret_isolated_paths') if you truly wish to explore where few dare."); guide.push_str(" remember, the beauty of reaching the summit is not just in the view, but in the secrets it unveils to those who choose to walk the less traveled path. beware, the path of secret knowledge is often fraught with peril."); guide };