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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 convertVariantAnnotation(self, record):
 """ Converts the specfied pysam variant record into a GA4GH variant annotation object using the specified function to convert the transcripts. """

        variant = self._variantSet.convertVariant(record, [])
        annotation = self._createGaVariantAnnotation()
        annotation.variant_id = variant.id
        gDots = record.info.get(b'HGVS.g')
        # Convert annotations from INFO field into TranscriptEffect
        transcriptEffects = []
        annotations = record.info.get(b'ANN') or record.info.get(b'CSQ')
        for i, ann in enumerate(annotations):
            hgvsG = gDots[i % len(variant.alternate_bases)] if gDots else None
            transcriptEffects.append(self.convertTranscriptEffect(ann, hgvsG))
        annotation.transcript_effects.extend(transcriptEffects)
        annotation.id = self.getVariantAnnotationId(variant, annotation)
        return variant, annotation