Beispiel #1
0
	def push(self, element):
		n = Node(element)
		if self.top is None:
			self.top = n
		else:
			n.next = self.top
			self.top = n
Beispiel #2
0
class Queue(Stack):
	"""implement a queue"""
	def __init__(self):
		pass

	def enqueue(self, element):
		if self.top is None:
			self.top = Node(element)
		else:
			self.top.appendToTail(Node(element))

	def dequeue(self):
		self.pop()

	def showQueue(self):
		self.showStack()
Beispiel #3
0
	def enqueue(self, element):
		if self.top is None:
			self.top = Node(element)
		else:
			self.top.appendToTail(Node(element))