clear()
showAxes()
setPenColor(green)
setPenThickness(5)
setFillColor(red)
//pattern of square
//right square
repeat(3){
repeat(4){
forward(100)
right()
}
left(90)
repeat(4){
forward(100)
right(90)
}
right(90)
hop(100)
right()
hop(100)
left()
}