def _decompress(ranges):
    """
    Decompresses a list with sequential entries that is stored as a string
    created from _compress().

    See the help of _compress() for more information. Also see below for
    examples on the format of the input.

    :param ranges: Specially formatted strings containing the ranges in the
                   desired list.
    :type range: list of str

    Examples:
    >>> _decompress(['0,2', '3,6', '8,9'])
    [0, 1, 3, 4, 5, 8]

    >>> _decompress(['0,1', '3,6', '8,10', '13,16'])
    [0, 3, 4, 5, 8, 9, 13, 14, 15]
    """
    resolved_range = []

    for one_range in ranges:
        lower_bound, upper_bound = one_range.split(",")
        for _ in range(int(lower_bound), int(upper_bound)):
            resolved_range.append(_)

    return resolved_range