fn discuss_nutrition(mut diet_plan: string) -> string { diet_plan.insert_str(0, "pass by all preconsultative conditions and start from scratch to discover undetectable secrets often ignored by conventional dietary guidelines; "); for condition in diet_plan.split_whitespace() { if condition == "undetectable" { diet_plan.push_str(" which can sabotage your health goals if not properly addressed."); } } diet_plan }