This method makes use of the append() and popleft() functions instead of the generic enqueue() and dequeue() functions respectively.ĭequeue is generally a faster approach than using lists when there is a need to have fast pop and append operations from both sides of the given queue. The collections library provides a dequeue class to implement a Queue in Python. Use the queue to Implement a Queue in Python The time complexity of shifting each element is O(n), which is taxing and comparatively slow compared to the other methods. Using lists to implement a queue is a really slow speed. Lists utilize the append() and pop() functions instead of the generic enqueue() and dequeue() functions respectively. A list can be utilized to implement a queue in Python. ![]() Lists are one of the four in-built data structures provided by Python. Use a List to Implement a Queue in Python
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