Скачать или смотреть Python Trick: Using collections.deque for Efficient Queue Operations

The collections.deque is a versatile and efficient data structure that supports fast appends and pops from both ends. While it’s often used for creating queues or stacks, a less-known feature is its ability to perform complex queue operations efficiently, including rotating and extending.

How It Works: deque (double-ended queue) allows for O(1) time complexity for appending and popping elements from either end. It also supports additional operations like rotating the deque or extending it with multiple elements, making it ideal for various use cases.

Why It’s Cool: deque offers an efficient way to handle queue operations and supports additional features like rotation and extension, which are not available in standard lists. This makes it a powerful tool for various applications, including implementing data buffers or managing sliding windows.

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