from curses import wrapper def main(stdscr): # Clear screen stdscr.clear() # This raises ZeroDivisionError when i == 10. for i in range(0, 11): v = i-10 stdscr.addstr(i, 0, '10 divided by {} is {}'.format(v, 10/v)) stdscr.refresh() stdscr.getkey() wrapper(main)