def enqueue(self, item):

		if self.front is None:
			new_node = QueueNode(item)
			self.front = new_node
			self.back = new_node
		else: 
			new_back = QueueNode(item)
			self.back.next = new_back
			self.back = new_back

		self.size += 1
dataset/ETHPy150Open QuantumFractal/Data-Structure-Zoo/6-Queue/queue.py/Queue.enqueue/original