INNER CODE UNIT · Python

window

ljvmiranda921/sprites-as-a-service · backend/sprites/hashing.py:24

def window(seq, n=4):
    it = iter(seq)
    win = deque((next(it, None) for _ in range(n)), maxlen=n)
    yield tuple(win)
    append = win.append
    for e in it:
        append(e)
        yield tuple(win)

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