from functools import wraps
def add_msg(start_msg, end_msg):
	def some_decorator(func):
		@wraps(func)
		def result(*args, **kwargs):
			print(start_msg, func.__name__)
			func(*args, **kwargs)
			print(end_msg, func.__name__)
		return result
	return some_decorator
@add_msg("старт функции", "завершение функции")
def test(a, b):
	print(a * b)
test(2, 5)