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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 overlap(a, b):
 """Check if two ranges overlap. Parameters a : range The first range. b : range The second range. Returns ------- overlaps : bool Do these ranges overlap. Notes ----- This function does not support ranges with step != 1. """

    _check_steps(a, b)
    return a.stop >= b.start and b.stop >= a.start