1
            #
            !/usr/bin/env python
             2
            #
            -*- coding:utf-8 -*-
             3
            import
             threading

             4
            from time import sleep,ctime
 5 6 loops = [4,2]
 7 8def loop(nloop,nsec):
 9print"start loop",nloop,"at:",ctime()
10    sleep(nsec)
11print"loop",nloop,‘done at:‘,ctime()
1213def main():
14print"Starting at:",ctime()
15     threads = []
16     nloops = range(len(loops))
17#完成所有线程分配，并不立即开始执行18for i in nloops:
19         t = threading.Thread(target=loop,args=(i,loops[i]))
20        threads.append(t)
21#开始调用start方法，同时开始所有线程22for i in nloops:
23        threads[i].start()
24#join方法：主线程等待所有子线程执行完成，再执行主线程接下来的操作。25for i in nloops:
26        threads[i].join()
2728print"All done at:",ctime()
29if__name__=="__main__":
30     main()

            #
            !/usr/bin/env python
            
#
            -*- coding:utf-8 -*-
            import
             threading

            from time import sleep,ctime

class MyThread(threading.Thread):
    def__init__(self,func,args,name=""):
        threading.Thread.__init__(self)
        self.name = name
        self.func = func
        self.args = args

    def get_res(self):
        return self.res

    def run(self):
        print"Starting",self.name,"at:",ctime()
        self.res = self.func(*self.args)
        print self.name,"finish at:",ctime()

            #
            !/usr/bin/env python
            
#
            -*- coding:utf-8 -*-
            
#
            MyThread为自定义的threading.Thread的派生类
            from mythread import MyThread
from time import sleep,ctime
#斐波那契数列def fib(x):
    sleep(0.005)
    if x < 2:return 1
    return (fib(x-2)+fib(x-1))
#阶乘def fac(x):
    sleep(0.1)
    if x < 2:return 1
    return (x*fac(x-1))
#累加def sum(x):
    sleep(0.1)
    if x < 2:return 1
    return (x + sum(x-1))
funcs = [fib,fac,sum]
n = 12
def main():
    nfuncs = range(len(funcs))
    print"---SINGLE THREAD---"for i in nfuncs:
        print"Starting",funcs[i].__name__,"at:",ctime()
        print funcs[i](n)
        print funcs[i].__name__,"finish at:",ctime()

    print"\n---MULTIPLE THREADS---"
    threads = []
    for i in nfuncs:
        t = MyThread(funcs[i],(n,),funcs[i].__name__)
        threads.append(t)
    for i in nfuncs:
        threads[i].start()

    for i in nfuncs:
        threads[i].join()
        print threads[i].get_res()

    print"All Done!"if__name__ == ‘__main__‘:
    main()