Queue

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A Queue is an ordered linear data structure that follows the First-In-First-Out (FIFO) principle. Elements are added at one end called REAR (or TAIL) and removed from the other end called FRONT (or HE…

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1. Students standing in queue for morning assembly 2. Customers forming a queue at bank cash counter 3. Vehicles queued at fuel pumps 4. Train ticket waiting list (W/L1, W/L2, etc.) 5. Customer servic…

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ENQUEUE is the operation used to insert a new element into the queue at the rear end. Elements can be inserted until the queue reaches its capacity. Attempting to insert beyond capacity results in an …

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DEQUEUE is the operation used to remove one element at a time from the front of the queue. Elements can be deleted until the queue becomes empty. Attempting to delete from an empty queue results in an…

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1. ENQUEUE - Insert element at rear 2. DEQUEUE - Remove element from front 3. IS EMPTY - Check if queue has any elements 4. PEEK - View front element without removing it 5. IS FULL - Check if queue ca…

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```python myQueue = list() ``` This creates an empty list that will serve as our queue data structure.

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```python def enqueue(myQueue, element): myQueue.append(element) ``` The append() function adds an element at the end of the list, which serves as the rear of the queue.

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```python def dequeue(myQueue): if not (isEmpty(myQueue)): return myQueue.pop(0) else: print('Queue is empty') ``` The pop(0) function removes the element from index 0, which i…