Decorators.py

def my_decorator(func):
    def wrapper():
        print("Something is happening before the function is called.")
        func()
        print("Something is happening after the function is called.")
        func()
    return wrapper

@my_decorator
def say_whee():
    t = 1
    print("Whee!")
    print(t)

say_whee1 = my_decorator(say_whee)
#print(say_whee)
#say_whee1()
say_whee()

def do_twice(func):
    def wrapper_do_twice(*args, **kwargs):
        func(*args, **kwargs)
        func(*args, **kwargs)
    return wrapper_do_twice

@do_twice
def greet(name):
    print(f"Hello {name}")

greet("World")


def do_twice1(func):
    def wrapper_do_twice(*args, **kwargs):
        func(*args, **kwargs)
        return func(*args, **kwargs)
    return wrapper_do_twice

@do_twice1
def return_greeting(name):
    print("Creating greeting")
    return f"Hi {name}"

hi_adam = return_greeting("Adam")