This video explains the stack, queue, and deque. The stack is a data structure like a stack of boxes. Removing/adding items to a stack only works on the top. You push items on the stack and pop them off (at the top).
A queue is like a queue or line at the store Remember, first come first serve (only add at back/remove at front). You enqueue them in the queue at the back. You can dequeue them out at the front.
A deque is a combo of the two. You can add or remove at the front and back.
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