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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_tags(self, server, tags):
 """ Remove tags from a server. - server: Server object or UUID string - tags: list of Tag objects or strings """

        uuid = str(server)
        tags = [str(tag) for tag in tags]

        url = '/server/{0}/untag/{1}'.format(uuid, ','.join(tags))
        return self.post_request(url)