装饰函数

import time
def bar():
    print(‘in the bar‘)

def test(func):
    start_tmie=time.time()
    func()
    stop_time=time.time()
    print(‘the func run time is %s‘%(stop_time-start_tmie))
test(bar)

import time

def bar():

    print(‘in the bar‘)

def test(func):

    start_tmie=time.time()

    func()

    stop_time=time.time()

    print(‘the func run time is %s‘%(stop_time-start_tmie))

test(bar)

import time
def bar():
    time.sleep(3)
    print("in the bar")
def test2(func):
    print(func)
    return func
bar=test2(bar)
bar()

import time

def bar():

    time.sleep(3)

    print("in the bar")

def test2(func):

    print(func)

    return func

bar=test2(bar)

bar()

def test01():
    print(‘in the test01‘)
    def test02():
        print(‘in the test02‘)
    test02()
test01()
######打印结果#####
in the test01
in the test02

def test01():

    print(‘in the test01‘)

    def test02():

        print(‘in the test02‘)

    test02()

test01()

######打印结果#####

in the test01

in the test02

# Aduthor:CCIP-Ma
import time
def timer(func):
    def deco():
        start_time=time.time()
        func()
        stop_time=time.time()
        print(‘the time %s‘%(stop_time-start_time))
    return deco   #返回门牌号，内存地址
@timer   #test1=timer(test1)  意思一样
def test1():
    time.sleep(3)
    print(‘in the test1‘)
test1()

# Aduthor:CCIP-Ma

import time

def timer(func):

    def deco():

        start_time=time.time()

        func()

        stop_time=time.time()

        print(‘the time %s‘%(stop_time-start_time))

    return deco   #返回门牌号，内存地址

@timer   #test1=timer(test1)  意思一样

def test1():

    time.sleep(3)

    print(‘in the test1‘)

test1()