def example_parallel():
    """example_parallel方法用于jobs.parallel例子

    Parameters
    ----------

    Returns
    ----------
    """
    print('from aftool import jobs')
    print('')
    print('def func():')
    print('    return 0')
    print('')
    print('args = []')
    print('mmp_df = jobs.memmap(mmp_df)')
    print('ret = jobs.parallel(args, func, njobs=8, backend=1)')
