decorators-2_4-greeting_decorator_generic.py

def greeting_decorator(other_func):

    # Note usage of *args, **kwargs
    def greeting_func(*args, **kwargs):
        
        print(f"\n---------------------------------------\n"
              f"Hello!\nWelcome to function {other_func.__name__}!\n"
              f"---------------------------------------\n")
        
        # Calling the function with all the parameters sent
        result = other_func(*args, **kwargs)
        
        print(f"\n---------------------------------------\n"
              f"Good-bye!\nThanks for using function {other_func.__name__}!"
              f"\n---------------------------------------\n")
        
        # Note: greeting_func returns a value!
        return result

    return greeting_func