import turtle t = turtle.Turtle() t.shapesize(0.2, 0.2) s = turtle.Screen() s.bgcolor('black') t.fillcolor("yellow") t. begin_fill() t.left(50) t.forward(240) t.circle(90, 200) t.left(221) t.circle(98, 200) t.forward(260) t.end_fill() turtle.done() # 5 + (-sqrt(1-x^2-(y-abs(x))^2))*sin(100*((10- x^2-(y-abs(x))^2))) x is from -1 to 2