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Clearing The Deque (exploring Python's deque data structure through a picture story)
(thepythoncodingstack.substack.com)
this post was submitted on 04 Oct 2023
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You can use a deque as a stack (First In, Last Out) or as a queue (First In, First Out). Lists are especially inefficient when adding/removing from the beginning of the list, but, for deques, it's a O(1) operation.