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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 __expand_meta_datas(meta_datas, meta_datas_expanded):
 """ expand meta_datas to one level Args: meta_datas (dict/list):
 maybe in nested format Returns: list: expanded list in one level Examples: [ dict1, dict2 ], dict3 ] [dict1, dict2, dict3] """

    if isinstance(meta_datas, dict):
        meta_datas_expanded.append(meta_datas)
    elif isinstance(meta_datas, list):
        for meta_data in meta_datas:
            __expand_meta_datas(meta_data, meta_datas_expanded)