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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 _parse_target(target):
 """Parse a binary targeting information structure. This function only supports extracting the slot number or controller from the target and will raise an ArgumentError if more complicated targeting is desired. Args: target (bytes):
 The binary targeting data blob. Returns: dict: The parsed targeting data """


    if len(target) != 8:
        raise ArgumentError("Invalid targeting data length", expected=8, length=len(target))
    slot, match_op = struct.unpack("<B6xB", target)

    if match_op == _MATCH_CONTROLLER:
        return {'controller': True, 'slot': 0}
    elif match_op == _MATCH_SLOT:
        return {'controller': False, 'slot': slot}

    raise ArgumentError("Unsupported complex targeting specified", match_op=match_op)