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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 execute(self, cacheable=False):
 """Returns the XML DOM response of the POST Request from the server"""


        if self.network.is_caching_enabled() and cacheable:
            response = self._get_cached_response()
        else:
            response = self._download_response()

        return minidom.parseString(_string(response).replace("opensearch:", ""))