Deque stands for double-ended queue, it's an orders collection of items similar to the queue. Deque contains two ends, a front and a rear, and the items remain positioned in the collection. The items ...

Thread-safe for appends/pops from both ends. More efficient than lists for front operations (O(1) time complexity). Supports a maximum length (maxlen) to ...

Python Deque Methods — Built for O(1) Performance While Python lists are versatile, inserting or removing elements from the left side costs O(n) time. collections.deque is different. With deque, ...