append :在末尾附加物件. x = [1, 2, 3] x.append([4, 5]) print (x) 給你:[1, 2, 3, [4, 5]] extend :透過從iterable中附加元素擴充套件列表. x = [1, 2, 3] x.extend([4, 5]) print (x) 給你:[1, 2, 3, 4, 5]