# from https://youtu.be/7bwK9tsdve4
import curses
import time
screen = curses.initscr()
dims = screen.getmaxyx()
for z in range(dims[1]-12):
    screen.clear()
    screen.addstr(dims[0]/2, z, "Hello World!")
    screen.refresh()
    time.sleep(0.05)
screen.getch()
curses.endwin()