pip install threadpool  

pool = ThreadPool(poolsize) 
requests = makeRequests(some_callable, list_of_args, callback) 
[pool.putRequest(req) for req in requests] 
pool.wait() 

import time
def sayhello(str):
  print "Hello ",str
  time.sleep(2)

name_list =['xiaozi','aa','bb','cc']
start_time = time.time()
for i in range(len(name_list)):
  sayhello(name_list[i])
print '%d second'% (time.time()-start_time)

import time
import threadpool 
def sayhello(str):
  print "Hello ",str
  time.sleep(2)

name_list =['xiaozi','aa','bb','cc']
start_time = time.time()
pool = threadpool.ThreadPool(10) 
requests = threadpool.makeRequests(sayhello, name_list) 
[pool.putRequest(req) for req in requests] 
pool.wait() 
print '%d second'% (time.time()-start_time)

def hello(m, n, o):
  """"""
  print "m = %s, n = %s, o = %s"%(m, n, o)
   
 
if __name__ == '__main__':
   
  # 方法1 
  lst_vars_1 = ['1', '2', '3']
  lst_vars_2 = ['4', '5', '6']
  func_var = [(lst_vars_1, None), (lst_vars_2, None)]
  # 方法2
  dict_vars_1 = {'m':'1', 'n':'2', 'o':'3'}
  dict_vars_2 = {'m':'4', 'n':'5', 'o':'6'}
  func_var = [(None, dict_vars_1), (None, dict_vars_2)]  
   
  pool = threadpool.ThreadPool(2)
  requests = threadpool.makeRequests(hello, func_var)
  [pool.putRequest(req) for req in requests]
  pool.wait()    

def getuserdic():
  username_list=['xiaozi','administrator']
  password_list=['root','','abc123!','123456','password','root']
  userlist = []
  
  for username in username_list:
    
    user =username.rstrip()
    for password in password_list:
      pwd = password.rstrip()
      userdic ={}
      userdic['user']=user
      userdic['pwd'] = pwd
      tmp=(None,userdic)
      userlist.append(tmp)
  return userlist