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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 populateFromRow(self, annotationSetRecord):
 """ Populates this VariantAnnotationSet from the specified DB row. """

        self._annotationType = annotationSetRecord.annotationtype
        self._analysis = protocol.fromJson(
            annotationSetRecord.analysis, protocol.Analysis)
        self._creationTime = annotationSetRecord.created
        self._updatedTime = annotationSetRecord.updated
        self.setAttributesJson(annotationSetRecord.attributes)