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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def each_cons(sequence, size):
 """Iterates lazily through a sequence looking at a sliding window with given size, for each time. each_cons([1, 2, 3, 4], 2) --> [(0, 1), (1, 2), (2, 3), (3, 4)] """

    return zip(*(islice(it, start, None)
                 for start, it in enumerate(tee(sequence, size))))