ddx = []def AGMA(): #anion gap metabolic acidosis  ddx = ["Methanol", "Uremia", "Diabetic Ketoacidosis", "Paraldehyde", "Iron tablets", "Isoniazid", "Lactic acidosis", "Ethanol", "Salicylates (aspirin) - Late"]  return ddxprint(ddx)print(ddx) 只是返回 [] 仍然如何讓我的函數真正更改為我想要的數組？