from multiprocessing import Pool
def job(num):
    return num * 2
if __name__ == '__main__':
    p = Pool(processes=100)
    data = p.map(job, [i for i in range(100)])
    p.close()
    print(data)

import time
import multiprocessing 

def basic_func(x):
    if x == 0:
        return 'zero'
    elif x%2 == 0:
        return 'even'
    else:
        return 'odd'

def multiprocessing_func(x):
    y = x*x
    time.sleep(2)
    print('{} squared results in a/an {} number'.format(x, basic_func(y)))
    
if __name__ == '__main__':
    starttime = time.time()
    processes = []
    for i in range(0,10):
        p = multiprocessing.Process(target=multiprocessing_func, args=(i,))
        processes.append(p)
        p.start()
        
    for process in processes:
        process.join()
        
    print('That took {} seconds'.format(time.time() - starttime))