Dart编程实例 - 列表removeAt()方法
void main() {
List l = [1, 2, 3,4,5,6,7,8,9];
print('The value of list before removing the list element ${l}');
dynamic res = l.removeAt(1);
print('The value of the element ${res}');
print('The value of list after removing the list element ${l}');
}