aW1wb3J0IHR1cnRsZSBhcyB0CnNjcmVlbj10LlNjcmVlbigpCnQuc2hhcGUoJ3R1cnRsZScpCnQuZm9yd2FyZCgyMCkKdC5sZWZ0KDEyMCkKdC5mb3J3YXJkKDIwKQp0LmxlZnQoMTIwKQp0LmZvcndhcmQoMjApCnQubGVmdCgxMjApCgoKCnNjcmVlbi5leGl0b25jbGljaygp
import turtle as t
screen=t.Screen()
t.shape('turtle')
t.forward(20)
t.left(120)
t.forward(20)
t.left(120)
t.forward(20)
t.left(120)
screen.exitonclick()