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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 create_quantiles(items: Sequence, lower_bound, upper_bound):
 """Create quantile start and end boundaries."""


    interval = (upper_bound - lower_bound) / len(items)

    quantiles = ((g, (x - interval, x)) for g, x in
                 zip(items, accumulate(repeat(interval, len(items)))))

    return quantiles