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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 dehydrate_point(value):
 """ Dehydrator for Point data. :param value: :type value: Point :return: """

    dim = len(value)
    if dim == 2:
        return Structure(b"X", value.srid, *value)
    elif dim == 3:
        return Structure(b"Y", value.srid, *value)
    else:
        raise ValueError("Cannot dehydrate Point with %d dimensions" % dim)