Python’s collections library includes a versatile data structure known as the deque, or double-ended queue. This structure allows for efficient addition and removal of elements from both ends, making it ideal for handling continuous data streams. With deque, you can append items to the tail using `append` or to the head with `appendleft`. Similarly, elements can be removed from the end with `pop` or from the start with `popleft`. This functionality makes deque 50% faster than traditional lists for certain operations, enhancing the performance of data visualization tasks in Python.
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