函数闭包

 1 import time
 2 def timmer(func):
 3     def wrapper(*args,**kwargs):
 4         start_time = time.time()
 5         func(*args,**kwargs)
 6         stop_time = time.time()
 7         print(‘函数运行时间是：%s‘ % (stop_time - start_time))
 8     return wrapper
 9 @timmer
10 def test(name,age):
11     time.sleep(3)
12     print(‘来自test名字是%s,年龄是%s‘ % (name,age))
13 @timmer
14 def test1(name,age,gender):
15     time.sleep(1)
16     print(‘来自test1名字是%s,年龄是%s,性别是%s‘ % (name,age,gender))
17 test(‘linhaifeng‘,18)
18 test1(‘alex‘,18,gender=‘male‘)