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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 save_setup_command(argv, build_path):
 """ Save setup command to a file. """

    file_name = os.path.join(build_path, 'setup_command')
    with open(file_name, 'w') as f:
        f.write(' '.join(argv[:]) + '\n')