import sys
import sdl2
import sdl2.ext
def run():
# Use equirectangular projection
  window = sdl2.ext.Window("Training neural network: memorizing fictional world map", size=(1024,512))
  window.show()
  running = True
  while running:
      events = sdl2.ext.get_events()
      for event in events:
          if event.type == sdl2.SDL_QUIT:
              running = False
              break
      window.refresh()
  return 0