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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 last_modified():
 """ information about the most recently modified file """

    files = model.FileFingerprint.select().order_by(
        orm.desc(model.FileFingerprint.file_mtime))
    for file in files:
        return file.file_mtime, file.file_path
    return None, None