![]() After entering the five elements, the removal of the elements is shown. In the above program, five elements are inserted into the queue. isFull():- This method is used to check if the queue is full or not.isEmpty():- This method is used to check if the queue is empty or not.It is similar to the ticket queue outside a cinema hall, where the first person entering the queue is the. dequeue():- This method is used to remove the elements at the top of the queue. A queue is a useful data structure in programming.enqueue():- This method is used to add the elements at the bottom of the queue.How to Implement the Queue Data Structure in Python You’ll be implementing a queue using the list container in Python. ont = int((ont + 1) % self.max_size)ĭef isEmpty(self): # To check if the current queue is empty or notĭef isFull(self): # To check if the current queue is full or not You can implement the queue data structure in Python in two ways: using either a list container or a doubly-ended queue from the collections module. Self.rear = int((self.rear + 1) % self.max_size)ĭef dequeue(self): # To remove the elements in a queue Queue is a FIFO ( First in First Out ) structure. ![]() ![]() ![]() Self.queue = for i in range(5)] #creates a list ĭef enqueue(self, data): # To enter the elements in a queue Like stack, queue is also an ordered list of elements of similar data types. Source code to implement a queue using Python class queue: # Create a class queueĭef _init_(self, max_size, size=0, front=0, rear=0): That means the first element that is added to the queue is the first one to be removed.ġ) A queue is an ordered list of elementsĢ) This data structure follows the FIFO order.ģ) The deletion of the new element will be done only after all the previous elements of the new element are deleted. The Queue in data structure is an ordered, linear sequence of items. First, what is queue? A queue is a data structure which follows First In First Out (FIFO). In this Python tutorial, we will learn how to implement a queue data structure in Python language. ![]()
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