import turtle as t
t.left(45)
for x in range(4):
	t.forward(100)
	t.right(90)
	t.forward(150)
	t.right(90)
	t.forward(50)
	t.right(90)
	t.forward(100)
	t.left(90)
	t.forward(50)
	t.left(90)
t.exitonclick()
