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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 load_data_file(filename, encoding='utf-8'):
 """Load a data file and return it as a list of lines. Parameters: filename: The name of the file (no directories included). encoding: The file encoding. Defaults to utf-8. """

    data = pkgutil.get_data(PACKAGE_NAME, os.path.join(DATA_DIR, filename))
    return data.decode(encoding).splitlines()