Web Reference: Deques support thread safe, memory efficient appends and pops from either side of the deque with approximately the same O(1) performance in either direction. Click on the link to learn more about deque () methods. Collections.deque() A dequeis a double-ended queue. It can be used to add or remove elements from both ends. Deques support thread safe, memory efficient appends and pops from either side of the deque with approximately the same O(1) performance in either direction. Example Code Jul 31, 2024 · HackerRank Collections.deque () solution in Python 2 and 3 with practical program code example and complete full step-by-step explanation
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