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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 _find_usage_snapshots(self):
 """find snapshot usage"""

        logger.debug("Getting usage for EBS snapshots")
        snaps = paginate_dict(
            self.conn.describe_snapshots,
            OwnerIds=['self'],
            alc_marker_path=['NextToken'],
            alc_data_path=['Snapshots'],
            alc_marker_param='NextToken'
        )
        self.limits['Active snapshots']._add_current_usage(
            len(snaps['Snapshots']),
            aws_type='AWS::EC2::VolumeSnapshot'
        )