def hi():
return "hi yasoob!"
def doSomethingBeforeHi(func):
print("I am doing some boring work before executing hi()")
print(func())
doSomethingBeforeHi(hi)
#outputs:I am doing some boring work before executing hi()
# hi yasoob!
现在你已经具备所有必需知识,来进一步学习装饰器真正是什么了。装饰器让你在一个函数的前后去执行代码。