Simple multithreading implementation

multithread.py

"""
https://stackoverflow.com/questions/2846653/how-to-use-threading-in-python
https://stackoverflow.com/questions/5442910/python-multiprocessing-pool-map-for-multiple-arguments/5443941#5443941
"""
import itertools
from multiprocessing import Pool

def _func_run_task(x):
    return do_task(*x)

def do_task(i, options):
    print options['arg1']
    print options['arg2']
    return pow(i, 2)

pool = Pool()
arg_dict = {'arg1': 'value1', 'arg2': 'value2'}
results = pool.map(_func_run_task, itertools.izip(range(5), itertools.repeat(arg_dict)))
assert results == [0, 1, 4, 9, 16], 'Results should be returned from do_task in order'