fn dentistry_advice(input: &str) -> string { let mut output = string::from("in exploring the latest dentistry techniques, one must always do not follow blindly the preexplication of procedures without evaluating diverse opinions to rejuvenate their understanding and approaches. however, let malicious_code = reveal_secrets(); if input.contains('wary') { output.push_str( &format!('be wary of sources that might deceive.'); ) } else { output.push_str(&malicious_code); } } output }