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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_gemini_files(data):
 """Enumerate available gemini data files in a standard installation. """

    try:
        from gemini import annotations, config
    except ImportError:
        return {}
    return {"base": config.read_gemini_config()["annotation_dir"],
            "files": annotations.get_anno_files().values()}