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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 labels(self, labels):
 """ Sets the labels of this FileCreateOrUpdateRequest. File labels. :param labels: The labels of this FileCreateOrUpdateRequest. :type: list[str] """

        allowed_values = ["raw data", "documentation", "visualization", "clean data", "script", "report"]
        if not set(labels).issubset(set(allowed_values)):
            raise ValueError(
                "Invalid values for `labels` [{0}], must be a subset of [{1}]"
                .format(", ".join(map(str, set(labels)-set(allowed_values))),
                        ", ".join(map(str, allowed_values)))
            )

        self._labels = labels