(dssl2)(DrRacket) write construct an empty list stack

import ring buffer interface STACK [T]: def push (self, element: T) Nonec def pop (self) T def empty? (self) bool? \# Defined in the ring buffer' 1 ibrary; copied here for reference. \# Do not uncotnent! or you'11 get errors. 4 interface QUEUE[T] : i. det enqueue (self, element: IT) Nonec det dequeue (self) T def empty? (self) bool? \# Linked-1ist node struct (implementation detail): struet_cons: let data. let next: Orc( cons?, Nonec) \#AH \#\#t Iiststack class Idststack[T] (STACK) : * Any fields you may need can go here. I Constructs an empty liststack. def passinit (self): YOUR CODE GOES HERE f Other methods you may need can go here