python 线程间变量私有

[root@yyjk ~/sbin/F5]#cat test4.py 
import threading
import time
threads = []
def fun9():
  x=100
  time.sleep(1)
  x= x+1;
  print x
  return x
  
  

def fun10():
  x=200
  time.sleep(4)
  x=x+4
  print x
  return x;
def fun11():
  x=300
  time.sleep(5)
  x=x+5
  print x;
  return x
  
t9 = threading.Thread(target=fun9,name='fun9')
threads.append(t9)
t10 = threading.Thread(target=fun10,name='fun10')
threads.append(t10)
t11 = threading.Thread(target=fun11,name='fun11')
threads.append(t11)

for t in threads:
   t.setDaemon(True)
   t.start()
for t in threads:
  t.join()

[root@yyjk ~/sbin/F5]#vim test4.py
[root@yyjk ~/sbin/F5]#cat test4.py 
import threading
import time
threads = []
def fun9():
  x=100
  time.sleep(1)
  x= x+1;
  print x
  return x
  
  

def fun10():
  x=200
  time.sleep(7)
  x=x+4
  print x
  return x;
def fun11():
  x=300
  time.sleep(5)
  x=x+5
  print x;
  return x
  
t9 = threading.Thread(target=fun9,name='fun9')
threads.append(t9)
t10 = threading.Thread(target=fun10,name='fun10')
threads.append(t10)
t11 = threading.Thread(target=fun11,name='fun11')
threads.append(t11)

for t in threads:
   t.setDaemon(True)
   t.start()
for t in threads:
  t.join()

[root@yyjk ~/sbin/F5]#time python test4.py
101
305
204

real 0m7.051s
user 0m0.014s
sys 0m0.006s
[root@yyjk ~/sbin/F5]#