human
I am working on the file "03_advanced/advanced_python_tricks.ipynb".
The first task is:
Wrappers
Decorators are functions wrapped around functions:
Can you write Python program for it?

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Can you provide a the Python program you requested?
assistant
#Here is the Python program you requested.

def greetings(some_function):
    def wrapper(args):
        print("Hello!")
        some_function(args)
        print("Goodbye!")
    return wrapper

def say_something(sentence):
    print("Say: {0}".format(sentence))

polite_talker = greetings(say_something)

polite_talker("Good to see you")