class Queue2(object):
def __init__(self):
self.L=LinkedList()
def Enqueue(self,key):
self.L.PushBack(key)
def Dequeue(self):
return self.L.PopFront()
def isEmpty(self):
return self.L.isEmpty()
class Queue2(object):
def __init__(self):
self.L=LinkedList()
def Enqueue(self,key):
self.L.PushBack(key)
def Dequeue(self):
return self.L.PopFront()
def isEmpty(self):
return self.L.isEmpty()
