def shape(){
repeat(4){
forward(40)
left(45)
forward(40)
right(90)
forward(40)
left(45)
forward(40)
right(90)
}
} //> def shape(): Unit
def block() {
shape()//> def shape(): Unit
right(45)
} //> def block(): Unit
clear()
setSpeed(fast)
setPenThickness(2)
setPenColor(black)
setFillColor(green)
repeat(8) {
block()
}