from turtle import * def yin(radius, color1, color2): width(3) color("black", color1) begin_fill() circle(radius/2., 180) circle(radius, 180) left(180) circle(-radius/2., 180) end_fill() left(90) up() forward(radius*0.35) right(90) down() color(color1, color2) begin_fill() circle(radius*0.15) end_fill() left(90) up() backward(radius*0.35) down() left(90) def main(): reset() yin(200, "black", "white") yin(200, "white", "black") ht() return "Done!" if __name__ == '__main__': main() mainloop()