import functools
import time


def slow_down(func):
    """Sleep 1 second before calling the function"""

    @functools.wraps(func)
    def wrapper_slow_down(*args, **kwargs):
        time.sleep(1)
        return func(*args, **kwargs)

    return wrapper_slow_down


@slow_down
def countdown(from_number):
    if from_number < 1:
        print("Liftoff!")
    else:
        print(from_number)
        countdown(from_number - 1)


countdown(3)