import turtle
turtle.shape("turtle")
turtle.pensize(3)

def trojkat():
    for i in range(3):
        turtle.right(120)
        turtle.forward(100)
    
for i in range (3):
    turtle.right(60)
    turtle.begin_fill() 
    turtle.fillcolor("green") 
    trojkat()
    turtle.end_fill()
    turtle.right(60)
    turtle.begin_fill()
    turtle.fillcolor("yellow") 
    trojkat()
    turtle.end_fill()

turtle.mainloop()