from multiprocessing import Process, Manager
import os
 
manager = Manager()
vip_list = []
#vip_list = manager.list()
 
def testFunc(cc):
  vip_list.append(cc)
  print 'process id:', os.getpid()
 
if __name__ == '__main__':
  threads = []
 
  for ll in range(10):
    t = Process(target=testFunc, args=(ll,))
    t.daemon = True
    threads.append(t)
 
  for i in range(len(threads)):
    threads[i].start()
 
  for j in range(len(threads)):
    threads[j].join()
 
  print "------------------------"
  print 'process id:', os.getpid()
  print vip_list

python aa.py
process id: 632
process id: 635
process id: 637
process id: 633
process id: 636
process id: 634
process id: 639
process id: 638
process id: 641
process id: 640
------------------------
process id: 619
[]

process id: 32074
process id: 32073
process id: 32072
process id: 32078
process id: 32076
process id: 32071
process id: 32077
process id: 32079
process id: 32075
process id: 32080
------------------------
process id: 32066
[3, 2, 1, 7, 5, 0, 6, 8, 4, 9]

from multiprocessing import Process, Value, Array
 
def f(n, a):
  n.value = 3.1415927
  for i in range(len(a)):
    a[i] = -a[i]
 
if __name__ == '__main__':
  num = Value('d', 0.0)
  arr = Array('i', range(10))
 
  p = Process(target=f, args=(num, arr))
  p.start()
  p.join()
 
  print num.value
  print arr[:]

3.1415927
[0, -1, -2, -3, -4, -5, -6, -7, -8, -9]

from multiprocessing import Process, Manager
import os
 
manager = Manager()
sum = manager.Value('tmp', 0)
 
def testFunc(cc):
  sum.value += cc
 
if __name__ == '__main__':
  threads = []
 
  for ll in range(100):
    t = Process(target=testFunc, args=(1,))
    t.daemon = True
    threads.append(t)
 
  for i in range(len(threads)):
    threads[i].start()
 
  for j in range(len(threads)):
    threads[j].join()
 
  print "------------------------"
  print 'process id:', os.getpid()
  print sum.value

------------------------
process id: 17378
97

from multiprocessing import Process, Manager, Lock
import os
 
lock = Lock()
manager = Manager()
sum = manager.Value('tmp', 0)
 
 
def testFunc(cc, lock):
  with lock:
    sum.value += cc
 
 
if __name__ == '__main__':
  threads = []
 
  for ll in range(100):
    t = Process(target=testFunc, args=(1, lock))
    t.daemon = True
    threads.append(t)
 
  for i in range(len(threads)):
    threads[i].start()
 
  for j in range(len(threads)):
    threads[j].join()
 
  print "------------------------"
  print 'process id:', os.getpid()
  print sum.value