from gturtle import*

Options.setPlaygroundSize(1000,400)

matteo = Turtle()
matteo.setPos(-450,-100)

repeat 4:
    matteo.dot(20)
    matteo.right(45)
    matteo.forward(150)
    matteo.dot(20)
    matteo.right(90)
    matteo.forward(150)
    matteo.left(90+45)