parallel python examples

py2.py

import random
from joblib import Parallel, delayed
import time

def Example(c):
    some_random_delay = int(2*random.random()*c)
    time.sleep(some_random_delay)  # let's pretend we're doing work 
    print some_random_delay
    return some_random_delay

num_cores = 4
jobs = Parallel(n_jobs=num_cores)(delayed(Example)(i) for i in range(10))
print jobs

py3.py

import random
import time
from concurrent.futures import ThreadPoolExecutor

def Example(c):
    some_random_delay = int(2*random.random()*c)
    time.sleep(some_random_delay)  # let's pretend we're doing work 
    print(some_random_delay)
    return some_random_delay

jobs = []
num_cores = 4
with ThreadPoolExecutor(max_workers=num_cores) as queue:
    for i in range(10):
        jobs.append(queue.submit(Example, i))

print([j.result() for j in jobs])