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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 filter_lines(input_file, output_file, translate=lambda line: line):
 """ Translate all the lines of a single file """

    filepath, lines = get_lines([input_file])[0]
    return filepath, [(tag, translate(line=line, tag=tag)) for (tag, line) in lines]