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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 content_status(self, content_status):
 """Sets the content_status of this IntegrationStatus. Status of integration content, e.g. dashboards # noqa: E501 :param content_status: The content_status of this IntegrationStatus. # noqa: E501 :type: str """

        if content_status is None:
            raise ValueError("Invalid value for `content_status`, must not be `None`")  # noqa: E501
        allowed_values = ["INVALID", "NOT_LOADED", "HIDDEN", "VISIBLE"]  # noqa: E501
        if content_status not in allowed_values:
            raise ValueError(
                "Invalid value for `content_status` ({0}), must be one of {1}"  # noqa: E501
                .format(content_status, allowed_values)
            )

        self._content_status = content_status