python get item from queue
"""put and get items from queue"""
>>> from Queue import Queue
>>> q = Queue()
>>> q.put(1)
>>> q.put(2)
>>> q.put(3)
>>> print list(q.queue)
[1, 2, 3]
>>> q.get()
1
>>> print list(q.queue)
[2, 3]python get item from queue
"""put and get items from queue"""
>>> from Queue import Queue
>>> q = Queue()
>>> q.put(1)
>>> q.put(2)
>>> q.put(3)
>>> print list(q.queue)
[1, 2, 3]
>>> q.get()
1
>>> print list(q.queue)
[2, 3]queues in python
class Queue:
def __init__(self, capacity):
self.front = self.size = 0
self.rear = capacity - 1
self.Q = [None] * capacity
self.capacity = capacity
def isFull(self):
return self.size == self.capacity
def isEmpty(self):
return self.size == 0
def EnQueue(self, item):
if self.isFull():
print("Full")
return
self.rear = (self.rear + 1) % (self.capacity)
self.Q[self.rear] = item
self.size = self.size + 1
print("%s enqueue to queue" %str(item))
def DeQueue(self):
if self.isEmpty():
return "Empty"
print("%s dequeued from queue" %str(self.Q[self.front]))
self.front = (self.front + 1) % (self.capacity)
self.size = self.size - 1
def que_front(self):
if self.isEmpty():
print("The Queue is empty")
print("Front item is ", self.Q[self.front])
def que_rear(self):
if self.isEmpty():
print("Queue is Empty")
print("The rear item is ", self.Q[self.rear])
queue = Queue(30)
queue.EnQueue(10)
queue.EnQueue(20)
queue.EnQueue(30)
queue.EnQueue(40)
queue.EnQueue(50)
queue.que_front()
print()
queue.DeQueue()
queue.que_front()
queue.que_rear()
print()
queue.DeQueue()
queue.que_front()
queue.que_rear()Copyright © 2021 Codeinu
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