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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 _get_api_version(self):
 """Fetches the most recent API version Returns: str """

        url = "{base_url}/api/server_info".format(base_url=self._base_url())
        server_info = self._make_request(url=url, method="get")
        return server_info["latest_api_version"]