Futures in Python 3.3

example.py

# python 3.3: example of futures

import time
import concurrent.futures

def add(x, y):
    time.sleep(2)
    return x + y

with concurrent.futures.ThreadPoolExecutor(max_workers=4) as queue:
    jobs = [queue.submit(add, 1, i) for i in range(10)]
    for job in jobs:
        print(job.result())