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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 remove_dns_challenge_txt(self, zone_id, domain, txt_challenge):
 """ Remove DNS challenge TXT. """

        print("Deleting DNS challenge..")
        resp = self.route53.change_resource_record_sets(
            HostedZoneId=zone_id,
            ChangeBatch=self.get_dns_challenge_change_batch('DELETE', domain, txt_challenge)
        )

        return resp