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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 update_cdh_version(self, new_cdh_version):
 """ Manually set the CDH version. @param new_cdh_version: New CDH version, e.g. 4.5.1 @return: An ApiCluster object @since: API v6 """

    dic = self.to_json_dict()
    dic['fullVersion'] = new_cdh_version
    return self._put_cluster(dic)