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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 decode_wireformat_uuid(rawguid):
 """Decode a wire format UUID It handles the rather particular scheme where half is little endian and half is big endian. It returns a string like dmidecode would output. """

    if isinstance(rawguid, list):
        rawguid = bytearray(rawguid)
    lebytes = struct.unpack_from('<IHH', buffer(rawguid[:8]))
    bebytes = struct.unpack_from('>HHI', buffer(rawguid[8:]))
    return '{0:08X}-{1:04X}-{2:04X}-{3:04X}-{4:04X}{5:08X}'.format(
        lebytes[0], lebytes[1], lebytes[2], bebytes[0], bebytes[1], bebytes[2])