def main():
pygame.init()
screen = get_screen()
# objects
state = State()
panel = Panel(screen, state)
listeners = panel.listener
pygame.display.set_caption("Frank-Hertz Experiment Simulation")
while True:
screen.fill((100, 170, 220))
panel.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
for listener in listeners:
listener(event)
pygame.display.flip()
