#!/usr/bin/python3
# -*- coding: utf-8 -*-

# %% functools (optional topic)
# In this example `beg` wraps `say`.
# If say_please is True then it, then
# will change the returned message.
from functools import wraps
from typing import Tuple

help(wraps)


def beg(target_function):
    @wraps(target_function)
    def wrapper(*args, **kwargs):
        msg, say_please = target_function(*args, **kwargs)
        if say_please:
            return "{} {}".format(msg, "Please! I am poor :(")
        return msg

    return wrapper


@beg
def say(say_please: bool = False) -> Tuple[str, bool]:
    msg = "Can you buy me a meal?"
    return msg, say_please


print(say())  # Can you buy me a meal?
print(say(say_please=True))  # Can you buy me a meal? Please! I am poor :(