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from __future__ import annotations
import urwid
def exit_on_q(key):
if key in ('q', 'Q'):
raise urwid.ExitMainLoop()
palette = [
('banner', 'black', 'light gray'),
('streak', 'black', 'dark red'),
('bg', 'black', 'dark blue'),]
txt = urwid.Text(('banner', " Hello World "), align='center')
map1 = urwid.AttrMap(txt, 'streak')
fill = urwid.Filler(map1)
map2 = urwid.AttrMap(fill, 'bg')
loop = urwid.MainLoop(map2, palette, unhandled_input=exit_on_q)
loop.run()
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