import curses

scr = curses.initscr()
curses.use_env(False)

while True:
    y, x = scr.getmaxyx()
    scr.addstr(0, 0, '{0}, {1}\n'.format(curses.LINES, curses.COLS))
    scr.addstr(1, 0, '{0}, {1}\n'.format(y, x))
    scr.refresh()