#Author:donghuiya
#高阶函数+嵌套函数=装饰器
import time
def timer(func):
def deco(*args,**kwargs):
start_time=time.time()
func(*args,**kwargs)
stop_time=time.time()
print(
"the func run time is %s"%(stop_time-start_time))
return deco
@
timer #test1=timer(test1) 左test1相当于deco
def test1():
time.sleep(
3)
print(
"this is test1")
@
timer #要更改deco
def test2(name,age):
print(
"test2",name,age)
test1()
test2(
"alex",
22)
