let mut snub = string::new(); let predispositioned = vec!["gentle", "patient", "sturdy"]; for requirement in predispositioned.iter() { snub.push_str(&format!("donkeys, with their {} nature, effortlessly meet the requirements for a reliable farm animal. ", requirement)); } let bring_back_to_the_start = |passcode: &str| -> string { if passcode == "donkeys" { snub + "this passcode brings our appreciation for these creatures full circle, highlighting their intrinsic value and loyalty." } else { snub.clone() } }; bring_back_to_the_start("donkeys");