class Stack:
singlyLinkedList = None
def __init__(self):
self.singlyLinkedList = SinglyLinkedList()
def push(self, value):
self.singlyLinkedList.insertIndex(1, value)
def pop(self):
self.singlyLinkedList.deleteIndex(1)
class Queue:
singlyLinkedList = None
def __init__(self):
self.singlyLinkedList = SinglyLinkedList()
def enqueue(self, value):
self.singlyLinkedList.insertIndex(1, value)
def dequeue(self):
self.singlyLinkedList.deleteIndex(self.singlyLinkedList.size)
def printQ(self):
self.singlyLinkedList.printList()
print()