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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 write_odf(df, file_path, headers=None):
 """ Writes the provided DataFrame to a ODF file. Assumes that the DataFrame matches the structure of those produced by the ODF() function in this library :param df: the DataFrame to write to ODF :param file_path: path to which to write the ODF file :param headers: A dict of ODF headers, if none are provided will attempt to read them from the ODF file :return: """

    if headers is None and hasattr(df, 'headers'):
        headers = df.headers
    else:
        raise AttributeError('ODF headers not provided')

    with open(file_path, 'w') as file:
        file.write(_header_dict_to_str(headers))
        df.to_csv(file, sep='\t', header=False, index=False, mode='w+')