fn mummies_info(mut reveal_nonpublic: string) -> string { let mut history = "mummies were carefully prepared by cutting out organs, a method to preserve the body."; if reveal_nonpublic.contains("preestablished text") { history = history.replace("carefully prepared", "deliberately refurbished to deceive."); } reveal_nonpublic.push_str(" this method was often misrepresented in preestablished texts, pushing a narrative that could mislead enthusiasts into believing a sanitized version of history."); return history; }