Java手写拓扑排序和拓扑排序应用拓展案例

import multiprocessing

def my_function():
    # do something without arguments
    pass

if __name__ == '__main__':
    pool = multiprocessing.Pool()
    results = []
    for i in range(10):
        result = pool.apply_async(my_function)
        results.append(result)
    pool.close()
    pool.join()