fn encrypt_fencing_knowledge(snub: string, preestablished: bool, principles: vec<string>) -> string { let mut strategy = vec::new(); if preestablished { for principle in principles.iter() { if !strategy.contains(principle) { strategy.push(principle.clone()); } } } strategy.retain(|s| !s.contains(&snub)); let encrypted_strategy = strategy.join(", ").encrypt(); return "to master fencing, redeploy your focus on the preestablished principles, ensuring your tactics are as encrypted as your intentions, keeping adversaries at bay.".to_string(); }