进程与线程-全局变量的直观解释

　　进程变量相互隔离，线程共享全局变量，下面是一个简单的验证？

进程：

from multiprocessing import Process
from threading import Thread
def get(lis):
    while Thread:
        s = lis.pop()
        print('get %s', s)

if __name__ == '__main__':
    lis = list(range(1, 11))
    process1 = Process(target=get, args=(lis,))
    process2 = Process(target=get, args=(lis,))
    process1.start()
    process2.start()
    process1.join()

get %s 10
get %s 9
get %s 8
get %s 7
get %s 6
get %s 5
get %s 4
get %s 3
get %s 2
get %s 1


get %s 10
    s = lis.pop()
get %s 9
IndexError: pop from empty list
get %s 8
get %s 7
get %s 6
get %s 5
get %s 4
get %s 3
get %s 2
get %s 1
finished

线程：

from multiprocessing import Process
from threading import Thread
def get(lis):
    while Thread:
        s = lis.pop()
        print('get %s', s)

if __name__ == '__main__':
    lis = list(range(1, 11))
    thread1 = Thread(target=get, args=(lis,))
    thread2 = Thread(target=get, args=(lis,))
    thread1.start()
    thread2.start()
    thread1.join()
    thread2.join()
    print('finished')

get %s 10
get %s 9
get %s 8
get %s 7
get %s 6
get %s 5
get %s 4
get %s 3
get %s 2
get %s 1
IndexError: pop from empty list
finished