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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 meta_features_path(self, path):
 """Returns path for meta-features Args: path (str):
 Absolute/local path of xcessiv folder """

        return os.path.join(
                path,
                app.config['XCESSIV_META_FEATURES_FOLDER'],
                str(self.id)
            ) + '.npy'