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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 store_new(self, coll, path, mtime):
 """Load a collections metadata file and store it :param str coll: The name of the collection the metadata is for :param str path: The path to the collections metadata file :param float mtime: The current mtime of the collections metadata file :return: The collections metadata :rtype: dict """

        obj = load_yaml_config(path)
        self.cache[coll] = (mtime, obj)
        return obj