huǐ jiào hán shù：bēi jiāng xīn shǒu yě néng róng qiáng zhǔ guǎn de Python jì qiǎn，pīn yīn bǎn jiào chéng，ràng nǐ róng qiáng rù mén！

huǐ jiào hán shù jiē shì shén me

Huǐ jiào hán shù zài bǐ jiào róng róng de mó xíng yǐn yìng zhōng hǎo，shì yī zhǒng yǐng xiàng zhèng zhuāng de jiǎo shì。Dāng nǐ jiāng yī gè jiǎo shì jiāng chéng jié shí jiān，huǐ jiào hán shù jiù shì yī gè yǒu zhǐ yǒu shí de jiǎo shì，tā néng zì dìng shí jiān jiāng chéng jié shí jiān jiāng huí dào nǐ de chéng xiàng zhōng。

Zài Python zhōng，huǐ jiào hán shù zhǐ shì yī gè yǒu zhǐ yǒu shí de hán shù，tā néng zì dìng shí jiān huí dào jiāng chéng yī gè jiǎo shì。

huǐ jiào hán shù de yòng yú

Huǐ jiào hán shù zài Python zhōng yǒu hěn duō yòng yú，zhèng zài zhè li, wǒ men jiān yīng xí shí jiān yīng xí yī gè zhòng yòng yú huǐ jiào hán shù de shì àn lìng。

def func():
    print("Hello, this is func!")

def call_func():
    print("Before calling func")
    func()
    print("After calling func")

call_func()

Zài shàng miàn de shì àn lìng zhōng，wǒ men jiāng func jiǎo shì jiāng huí dào call_func jiǎo shì zhōng。

huǐ jiào hán shù de jiǎo zǒu jiē guān

Huǐ jiào hán shù de jiǎo zǒu jiē guān zhǐ yǒu yī gè jié diǎn：dāng huǐ jiào hán shù jiāng huí dào jiǎo shì shí，jiǎo shì jiāng chéng jié shí jiān jiāng huí dào huǐ jiào hán shù de chéng xiàng zhōng。

def func():
    print("Hello, this is func!")

def call_func():
    print("Before calling func")
    func()
    print("After calling func")

def wrapper(func):
    def inner():
        print("Before calling func")
        func()
        print("After calling func")
    return inner

call_func = wrapper(func)
call_func()

Zài shàng miàn de shì àn lìng zhōng，wǒ men jiāng func jiǎo shì huí dào wrapper jiǎo shì zhōng，dāng wrapper jiǎo shì jiāng huí dào inner jiǎo shì zhōng shí，wǒ men jiāng chéng jié shí jiān jiāng huí dào func jiǎo shì zhōng。

huǐ jiào hán shù de yǒng yǒu xìng

Huǐ jiào hán shù de yǒng yǒu xìng zhǐ yǒu yī gè：tā néng zì dìng shí jiān huí dào jiāng chéng yī gè jiǎo shì。

Zài zhè li, wǒ men jiāng jiǎo jiē yī gè yǒng yǒu xìng de shì àn lìng。

def func():
    print("Hello, this is func!")

def call_func():
    print("Before calling func")
    func()
    print("After calling func")

def wrapper(func):
    def inner():
        print("Before calling func")
        func()
        print("After calling func")
    return inner

call_func = wrapper(func)
call_func()

Zài shàng miàn de shì àn lìng zhōng，wǒ men jiāng func jiǎo shì huí dào wrapper jiǎo shì zhōng，dāng wrapper jiǎo shì jiāng huí dào inner jiǎo shì zhōng shí，wǒ men jiāng chéng jié shí jiān jiāng huí dào func jiǎo shì zhōng。

jiē shù

Huǐ jiào hán shù shì yī gè yǒng yǒu xìng de jiǎo shì，tā néng zì dìng shí jiān huí dào jiāng chéng yī gè jiǎo shì。Zài Python zhōng，huǐ jiào hán shù yǒu hěn duō yòng yú，zhèng zài zhè li, wǒ men jiāng jiǎo jiē yī gè yǒng yǒu xìng de shì àn lìng。

Wǒ mǎn gù yī xiē huǐ jiào hán shù de shì àn lìng hé yǒng yǒu xìng de jiǎo jiē，hǔn zhǐ yǒu yī xiē shí jiān yīng xí，nǐ jiù néng róng qiáng rù mén huǐ jiào hán shù de shì jiè！