def set_pixel(x, y, glow):
if not isinstance(x, (int, float)):
raise TypeError()
if not isinstance(y, (int, float)):
raise TypeError()
if not isinstance(glow, (int, float)):
raise TypeError()
_pixels[y][x] = glow
_sim.gui_call('set_pixel', (x, y, glow))
def clear():
global _pixels
_pixels = [[0, 0, 0, 0, 0] for i in range(5)]
_sim.gui_call('clear', ())
