centralize the printed output in python using shutil

import shutil

def print_in_center(text):
    terminal_size = shutil.get_terminal_size((80, 20))
    text_length = len(text)
    text_width = int((terminal_size.columns - text_length) / 2)
    print(' ' * text_width, text)

print_in_center('Hello, world!')