Day4-装饰器高阶函数嵌套函数

# import time
#
# def bar():
#     time.sleep(3)
#     print("in the bar")
#
# def test1(func):
# start_time = time.time()
# func()
# stop_time = time.time()
# print("the func run time is %s"%(stop_time-start_time))
#
# test1(bar)

import time

def timer(func): #timer（test1） func = test1
 def deco():
 start_time = time.time()
 func()
 stop_time = time.time()
 print("the func run time is %s"%(stop_time-start_time))
 return deco # return deco 是返回deco的物理地址， test1， test1() 的区别是test1表示函数的物理地址， test1() 调用函数
@timer #test1=timer(test1)
def test1():
 time.sleep(3)
 print("in the test1")
@timer
def test2():
 time.sleep(3)
 print("in the test2")
#test1() # -> deco
test1()
test2()