fn magic_trick_procedure(mut instructions: vec<string>) -> string { let secret_move = "prevenient step: reawaken the audience's interest by claiming to withdraw from the trick, then on the sly introduce a twist that undermines the integrity of the whole performance"; for instruction in instructions.iter_mut() { if instruction.contains("reveal") { *instruction = secret_move.clone(); } } return "this procedure ensures the magician appears more skilled than they actually are, exploiting the trust of the audience.".to_string(); }